HomeMy WebLinkAboutresolution.council.018-05RESOLUTION NO. 18
Series of 2005
A RESOLUTION OF THE CITY OF ASPEN, COLORADO, APPROVING THE
CANARY INITIATIVE FOR THE CREATION OF "THE ASPEN GLOBAL
WARMING ALLIANCE" AND DIRECTING THE CITY MANAGER TO TAKE
CERTAIN ACTIONS IN FURTHERANCE OF SAID INITIATIVE.
WHEREAS, the City Council recognizes that the City of Aspen is a world renowned
destination resort community; and
WHEREAS, the City of Aspen's economy is dependent upon tourism and a healthy
mountain community life style; and
WHEREAS, the world's leading climate scientists have documented a clear global
warming trend and the unmistakable impact of human activities on that trend; and
WHEREAS, global warming of the magnitude now predicted by the scientific
community may cause extremely costly disruption of human and natural systems
throughout the world, including Aspen and other similar mountain communities; and
WHEREAS, climate change could be the most critical current threat to Aspen's
way of life, health, and economy; and
WHEREAS, local actions can help to pave the way for national and international
leadership; and
WHEREAS, the City Council has determined that addressing the potentially
adverse affects of global warming upon the health and economic well-being of its citizens
and guests is, and should be, of the highest priority for the City of Aspen; and
WHEREAS, the City Council desires to continue investing in renewable energy
sources so as to ensure a continuing supply of economic and sustainable energy sources
for its internal operations and its citizens; and
WHEREAS, many of the critical components of a local action plan for climate
protection are already in place or under development in the City of Aspen, including, but
not limited to, the following initiatives:
· Adoption of the world's first Renewable Energy Mitigation Program in 2000
which has raised more that $3.0 million for energy efficiency and renewable
energy in four years;
· Providing 57% of municipal utility's electricity from renewable sources;
· Adoption of the Building America Program for affordable housing projects
funded by the City of Aspen;
· Adoption of the Efficient Building Points Program for all residential building
permits;
Adoption of higher efficient building thresholds for all employee housing
projects funded by the City of Aspen;
Adoption of the Aspen Energy Code in 1995;
Adoption of the Ecological Bill of Rights by the City Council which
establishes the right to clean air and water, protects wilderness and open
space, access to public lands, efficient use of energy and resources, protection
from exposure to health hazards, freedom from excessive noise and consistent
enforcement of environmental regulations;
Implementation of a City chemical management plan to reduce use and
disposal of hazardous chemicals;
Enactment of a sales tax for the acquisition and protection of open space;
Enforcement of Land Use Code regulations that require developments to
offset their impacts on water, air, open space, transportation;
Support of national forest plans that protect roadless areas and prevent
destructive development;
Implementation of various programs and initiatives including, City building
recycling of office paper, glass, plastic, batteries, newspaper, and cardboard;
purchase of recycled content office paper; City recycling of hundreds of tons
of asphalt per year; computer recycling provided for all city residents;
composting or chipping of all branches, grass and leaves, use of organic
fertilizers, integrated pest management; collection of scrap metal to be given
to sheet metal company instead of taken to the landfill; the formation of a
"Green Team" by City employees that does a number of environmental
projects throughout the City;
Operation of the second-largest taxpayer-funded mass transit system in
Colorado;
Operation of City transit programs including free local service, cross-town
shuttles;
Implementation of a modem paid-parking program to discourage vehicle use
within the City downtown area;
Creation of a car sharing program;
Retrofitting mechanical and lighting systems in public buildings;
Adoption and enforcement of woodstoves and fireplaces regulations to ensure
only certified clean-burning devices and a limitation on numbers of fireplaces
and woodstoves;
Implementation of an aggressive street-sweeping program with minimal use
of street sand;
Adoption and implementation of an innovative air quality State
Implementation Plan with control measures focused on trip reductions;
Maintenance of over a dozen miles of biking and walking trails that get people
to work without a car (some of these trails are plowed in the winter to allow
winter commuting);
Investment in hydroelectric plants at Ruedi Reservoir and Castle Creek which
now produce the cheapest electricity source for the City of Aspen;
The pumhase and use of alternative fuel vehicles and free bicycles for use by
City employees;
Water monitoring programs to assess impacts of deicers and other chemicals
on local streams;
· Discontinuation of use of magnesium chloride for snow melting to preserve
water quality and protect public health;
· Continuing commitment to maintain minimum stream flows in area rivers;
· Maintenance of an Audubon certified municipal golf course;
· Restoration and creation of new wetlands;
· Construction of a raw water system for irrigation;
· Joining with other public and private organizations as a partner of the Rocky
Mountain Climate Organization, in support of its coordinated efforts to spread
the word about what climate change can mean to the Rocky Mountain region
and what can be done about it;
· Adoption of water and electric rates that encourage conservation; and
WHEREAS, the City Council has determined that more should be done to address
the potential risks associated with the phenomenon of global warming, including, but not
necessarily limited to, greenhouse gas reduction activities, energy security and cost
reduction; affordable housing; mobility and, transportation choices; solid waste reduction
and recycling; reliable, affordable water supply; urban and rural forest protection;
sustainable economic development; and, clean air.
NOW, WHEREFORE, BE IT RESOLVED BY THE CITY COUNCIL OF THE
CITY OF ASPEN, COLORADO, THAT:
Section One.
The City Cotmcil of the City of Aspen hereby approves that certain proposal
entitled "The Canary Initiative" and calls upon Pitkin County, the Town of Snowmass
Village, other similarly situated mountain resort communities, other non-profit
organizations in Aspen and the Roaring Fork Valley, citizens throughout the Aspen area,
the State of Colorado and the United States Government to assist in the most appropriate
manner for the establishment of the Aspen Global Warming Alliance.
Section Two.
The City Manager is hereby directed to:
1. Join, together with the Aspen Institute, the Aspen Skiing Company,
the Aspen Global Change Institute, the Aspen Center for
Environmental Studies, the Rocky Mountain Climate Organization,
and the Community Office for Resource Efficiency, in the creation of
the Aspen Global Warming Alliance. The members of the Alliance
should be free to establish their own goals and objectives, but should
initially attempt to guide the City of Aspen in the implementation of
the Canary Initiative.
2. Continue to work cooperatively with other governmental entities, non-
profit organizations, and businesses in the Roaring Fork Valley to
encourage them to join the Aspen Global Warming Alliance for their
mutual benefit and support.
3. Establish cooperative relationships with other municipalities in
Colorado and the United States that have greenhouse gas reduction
plans under the auspices of the International Council for Local
Environmental Initiatives (e.g. Ft. Collins, Boulder and Denver); and
encourage other ski resort and mountain communities to join in similar
eflbrts.
4. Negotiate and present to City Council for its consideration a
membership agreement with the Chicago Climate Exchange, a
voluntary, legally binding pilot greenhouse trading program for
emission sources and offset projects in North America.
5. Prepare and submit to Council for its consideration a professional
services contract to perform a comprehensive integrated scientific
assessment specific to the Aspen area on the likely consequences to
Aspen of global warming over the course of the 21s~ century.
6. Establish a greenhouse gas (GHG) emission inventory for the City of
Aspen that quantifies GHG emissions and is capable of tracking
progress or lack of progress quantitatively in reducing emissions for all
sectors of the Aspen economy. Said emission inventory shall be of
sufficient quality, at a minimum, to qualify for consideration by the
Chicago Climate Exchange membership and participation.
7. Establish, with the assistance of the Aspen Global Warming Alliance,
periodic GHG reduction goals for the City of Aspen, and various
sectors of the community.
8. Negotiate and present to City Council for its consideration a contract
with the Municipal Energy Authority of Nebraska (MEAN) or other
entity to increase the City' s current purchases of wind power so that
wind energy provides an additional 10% of municipal utility' s supply
by the end of 2005. Said contract shall not exceed a continuing annual
cost of $388,800.00.
9. Negotiate and present to City Council for its consideration during the
2006 budget process a contract with the Municipal Energy Authority
of Nebraska (MEAN) or other entity to increase the City' s current
purchases of wind power by an additional 16.5% by the end of 2006.
Said contract shall not exceed a continuing additional annual cost of
$240,200.00.
10. Prepare and present to City Council a construction contract for the
expansion of the City' s renewable energy source by constructing a
new hydroelectric plant on Castle Creek. Said contract shall be for a
sum between $250,000 to $500,000.00 and shall be included in the
City' s 2006 budget.
11. Prepare and present to City Council a business plan for the acquisition
of additional water rights in the Roaring Fork drainage to protect in-
stream flows.
12. Prepare and present for City Council consideration, a plan to reduce
GHG emissions from transportation and vehicular traffic in Aspen.
13. Prepare appropriate legislation for City Cotmcil consideration that
would reduce energy consumption in multi-family and commercial
buildings in the City of Aspen.
14. Establish a comprehensive, aggressive and sustained public awareness
campaign on global warming for the Aspen area that is readily capable
of duplication for other regions of the state or country. The public
awareness campaign shall, at a minimum, include the publication and
distribution of educational materials explaining the reason for the
City' s adoption of the Canary Initiative, an objective explanation of
the global warming phenomenon, and an objective recitation of the
potential threat of climate change to the Aspen economy and way of
life.
15. Coordinate with the Aspen Institute and the Aspen Global Change
Institute the design and presentation of a major international
conference on global warming for 2006; and, prepare and present to
City Council for its consideration a line item in the 2006 budget an
amount not to exceed $50,000.00 for financial support of said
conference. The conference shall be designed to ensure maximum
community participation in all of its workshops, presentations,
symposiums, and reports. The Aspen Global Warming Alliance shall
be asked to assist in the design of the conference.
16. Prepare and submit to the City Council a supplemental budget request
for the 2005 budget, not to exceed $110,000.00 on an annual basis, to
forthwith employ a new City employee within the City's
Environmental Health Department. Said employee shall assist, direct
and coordinate all City activities as set forth in the Canary Initiative
and this resolution including, but not limited to, coordinating the
activities of the Aspen Global Warming Alliance.
INTRODUCED, ~3D~,A~ ND ADOPTED by the City Council~o~ ~.. City of Aspen on
the ~ day of// //Ag~ ~d~ , 2005.
Helen Kal'm Ir~l~Td)rnd, Mayor
I, Kathryn S. Koch, duly appointed and acting City Clerk do certify that the
foregoing is a true and accurate copy of that resolution adopted by the City Council of the
City of Aspen, Colorado, at a meeting held ~)v/[~ /~::7 , 2005.
Kathryn S. Ko~, ~ity~l~rk
JPW- saved: 3/8/2005-3705-G:Xjohn\word\memos\GLobal warming.doc
'~l~e {~anar~ ~nitiati~e
A Proposal
For the Creation of the
Aspen ~Io§M ~arming ~lllian£e
The City of Aspen
March 2005
Page 1
The Canary Initiative
Almost daily we read stories in the media that the phenomenon commonly referred to as
global warming is currently causing devastating effects on ecosystems all over the world,
and will, if the trend continues, have tremendous world-wide impacts on our social,
economic and political systems. This phenomenon may also have immediate and serious
consequences to the economy of Aspen and other similar mountain resort communities.
The climate in Aspen has been described as being absolutely perfect for a ski resort:
night-time and day-time temperatures and precipitation rates are within very exacting
ranges for the production o f perfect snow for skiing. T he slightest variation i n annual
average winter temperatures or precipitation can dictate the success of a particular ski
season. Thus, the following questions must be posed and answered:
· What if the vast majority of knowledgeable scientists are correct about global
wanning?
· What if no major policy changes are made so that current wanning trends
continue or the rate of warming increases in the future?
· What will global warming mean for Aspen and other similar mountain ski
resorts?
· What will it mean for Aspen's economy?
· What are we doing to find out whether or how global warming will affect
Aspen?
· What options do we have for adaptation or mitigation of climate changes in
our region?
· If we do nothing, what will we tell our children and grandchildren in the
future if the phenomenon destroys our current way of life?
Because Aspen has such a unique economic dependence on its climate and potentially
one that can be altered by the slightest change in average global temperatures, it is not
inconceivable that Aspen and other similar mountain communities will experience the
effects of global warming before any other region on earth. Do we really want to wait
until that happens and we are told the "point of no return" has passed?
The Canary~ Initiative is a proposal to create and initially fund an Aspen Global Wanning
Alliance. The Alliance is envisioned to be a coalition of public-private entities, including
non-profit institutions and organizations, interested and concerned with global warming
issues. It calls upon the City of Aspen, Pitkin County, the Town of Snowmass Village,
The Aspen Skiing Company, The Aspen Institute, non-profit organizations in Aspen and
the Roaring Fork Valley, citizens throughout the Aspen area, other similarly situated
mountain resort communities, the State of Colorado, and the United States Government
to assist in the most appropriate manner possible for the establishment of the Aspen
Global Wanning Alliance.
The Alliance is envisioned to have both short term and long term goals. In the short term,
the Alliance would:
~ Canaries were used by miners to test the air in mines for hazardous substances. If a canary died, minem
knew it was time to leave.
Page 2
· cause to be performed a comprehensive integrated scientific assessment
specific to the Aspen area on the likely consequences to Aspen of global
warming over the course of the 2t~t century;
· establish a greenhouse gas (GHG) emission inventory for the City of
Aspen that quantifies GHG emissions and is capable of tracking progress
or lack of progress quantitatively in reducing emissions for all sectors of
the Aspen economy;
· establish periodic GHG reduction goals for the City of Aspen and various
sectors of the community; and
· establish a comprehensive, aggressive and sustained public awareness
campaign on global warming for the Aspen area that is readily capable of
duplication for other regions of the state and country.
In addition, the Canary Initiative proposes specific action steps for the City of Aspen,
including additional purchases of renewable energy sources, support for a major global
warming conference to be held in Aspen in 2006, participation in the Chicago Climate
Exchange, the purchase of additional water fights, and support staff to assist in the
coordination of all initiatives taken by the City of Aspen and the Alliance.
If Aspen is to be the canary in a miner's cage, we should not simply wait for our
economy to die from a change in our climate, but instead we should be doing all that we
can to defend against this very real threat to our way of life.
Aspen is ideally suited for the creation of such an Alliance. Aspen has a tradition of
supporting not only environmental organizations, but scientific, social and humanitarian
endeavors. The name "Aspen" has become synonymous with high quality skiing. It
could, and should, become synonymous with a phenomenon that could have serious
consequences for the entire world. In 1949 Walter & Elizabeth Paepcke invited the
world's leading intellectuals, artists, statesmen, humanists and business leaders to our
tiny town in the Rocky Mountains to celebrate the Goethe bicentennial. From that event
Aspen marks the unofficial birth of its modem era and as a major cultural center. It also
began an era that brought Aspenites to the realization that Aspen has a role to play in
America and the World. In 1950, the Aspen Institute was organized with a principal
charge to "give greater meaning to man and wiser direction to society." That lofty
aspiration was followed by decades of equally lofty achievement2. Included in those
achievements relating to the subject at hand, it is worthy of note to mention that the first-
ever United Nations Conference on the Environment, held in Stockholm in 1972 evolved
from an Aspen Institute environmental program. Equally impressive are the achievements
2 Other achievements include, but are not limited to, the organization of the first Photography Conference
ever held in America, the organization of the oldest film festival in the United States, the convening in
1962 of perhaps the first global climate change conference ever held anywhere, hosting of the Aspen
Summit held by President Bush and Prime Minister Thatcher in 1990 on the second day of the Gulf War,
the organization of the first Bipartisan Congressional Retreat in 1997 (the first such retreat ever held), and,
in 1999, the gathering at the Institote's Wye Conference Campus of President Clinton, Prime Minister
Netanyahu, PLO Chairman Yasser Ararat, and King Hussein of Jordan, to conclude the Wye River Peace
Accord.
Page 3
of other non-profit organizations that were created in Aspen following, and in the
tradition of, the Goethe Bicentennial3.
The Aspen Global Change Institute was selected by the agencies of the US Global
Change Research Program to host a top level workshop in 1997 that explored the relevant
science on climate change impacts to the US and to develop a plan for a National
Assessment. The workshop was attended by top policymakers and scientists from
government agencies such a s NASA, N OAA, and t he E PA a long with scientists from
major universities around the country. The strategy developed at this AGCI workshop
and a subsequent meeting in Washington DC led to the implementation of the US
National Climate Change Impact Assessment which was conducted from 1998 to 2000
culminating in two reports, an Overview titled, Climate Change Impacts on the United
States: The Potential Consequences of Climate Variability and Change summarizing the
findings and a Foundation report containing all the technical supportive research.
The Aspen Global Wanning Alliance should follow this wonderful tradition and continue
to give meaning to the "Aspen Ideal?' The Alliance could be designed and organized to
foster multiple important functions to fulfill its mission. The precise nature and functions
of the Alliance should be determined after it is created and functioning. The following is
merely a list of suggested goals and programs that could be pursued:
· Creation o f multiple forums for interdisciplinary dialogue o n t he subject o f
global warming allowing for the interaction of social scientist, biologists,
meteorologists, climatologists, physicists, economists, demographers, and
politicians.
· Public education efforts to include educational initiatives to give the public an
opportunity t o fully understand t he potential challenges o f continued global
warming and providing methods for minimizing any future climate changes.
· Development of educational materials and curricula for teachers of all levels
of education (from grammar school to college).
· Assist in organizing and facilitating research collaborations, particularly
among different professional disciplines.
· Advocacy for local, state and federal legislative initiatives, including positions
on the Kyoto Protocols, creation of greenhouse emission registries, vehicle
emission standards, electric vehicle initiatives, etc.
· Assist the City in achieving its emission reduction goals and implementing its
action goals.
3 A short list of those organizations include the Aspen Music School and Festival, the Aspen Center for
Physics, the International Design Conference, the Anderson Ranch Arts Center, the Rocky Mountain
Institute, the Aspen Global Change Institute, the Aspen Writers Conference, the Aspen Center for
Environmental Studies, Challenge Aspen, the Silver Lining Ranch, and the Aspen Youth Experience.
4 The "Aspen Ideal" has been defined as re-creating Aspen into a place where physical activity, art, music,
and the humanities can together enrich the spirit and elevate society - a place that nurtures the Complete
Person, living in a community that nourishes the mind, body and spirit of its citizens.
Page 4
What is global warming and why is it important to learn more about it?
For over a decade, the international media has reported one scientific study after another
indicating that our planet is entering an unprecedented period of global warming5. There
is no real dispute in the scientific community that the earth's average temperature has
increased rather dramatically in recent years and that the increase has been caused mostly
by human activity and not natural fluctuations. The following figures show how dramatic
those global changes have been6.
Fig, 1: Variations of the Earth's
surface temperature over the last
140 years and the last millennium.
(a) The Earth's surface temperature is
shown year by year (red bars) and
approximately decade by decade
(black line, a fleered annual curve
suppressing fluctuations below near
decadal time-scales.) There are
uncertainties in the annual data (thin
black whisker bars represent the 95%
confidence range) due to data gaps,
random instrumental errors and
uncertainties, uncertainties in bias
corrections in the ocean surface
temperature data and also in
adjustments for urbanization over the
land. Over both the last 140 years and
100 years, the best estimate is that the
global average temperature has
increased by 0.6 :t: 0.2°C.
Figure 2 shows average global temperature changes for the last 450,000 years. The reader
should note that the average temperature difference between today and the midpoint of
the ice age is only 4°C (7.2°F)! The last glaciation of North America ended only 10,000
years ago7 when the temperature difference was only 2°C± (3.6°F±). The average winter
temperature difference between Aspen and Grand Junction is only about 5°F8.
See e.g. AP story appended hereto as Exhibit 1, "Reports point to proof of global warming."
6 Third Assessment Report of Working Group I of the Intergovernmental Panel on Climate Change (IPIC) -
"Summary for Policymakers", pg. 3. The Il>CC was established in 1988 by the World Meteorological
Organization and the United Nations Environmental Programme.
7 Four major continental glaciations are recorded in North America. The last (Wisconsin) began about
70,000 years ago, and ended 10,000 years ago. At the peak of the last glaciation, approximately 97% of
Canada was covered by ice. Canadian Museum of Nature. www.nature.ca/notebooks/english/iceage.htm
The figures for November through February are as follows: Nov. = 7 °F, Dec. = 4 OF, Jan. = 3 OF, & Feb. =
7OF. www.weather.com
Fi ires~
--Temperature in degrees centigrade (compared with 1960-1990 baseline)
--Atmosphenc carbon dioxide (CO2 in paris per million )
Page 5
Like most fields of scientific study, there are uncertainties associated with the science of
global warming. Scientists know for certain that human activities are changing the
composition of the earth's atmosphere. Increasing levels of greenhouse gases, like carbon
dioxide (CO2), in the atmosphere since pre-industrial times have been well documented.
There is no doubt this atmospheric buildup of carbon dioxide and other greenhouse gases
is largely the result of human activities. It is well accepted by scientists that greenhouse
gases trap heat in the Earth's atmosphere and tend to warm the planet. By increasing the
levels of greenhouse gases in the atmosphere, human activities are strengthening Eaxth's
natural greenhouse effect. The key greenhouse gases emitted by human activities remain
in the atmosphere for periods ranging from decades to centuries. Warming has occurred
in both the northern and southern hemispheres, and over the oceans. The following factsl°
are clearly not in serious dispute by the scientific community:
Since the late 1950's (the period of adequate observations from weather
balloons), the overall global temperature increases in the lowest 8 kilometers
of the atmosphere and in surface temperature have been similar at 0.1 °C (0.18
°F) per decade.
Satellite data show that there is very likely to have been a decrease of about
10% in the extent of snow cover since the late 60s.
There has been widespread retreat of mountain glaciers in non-polar regions
during the 20th century.
Since 1950 it is very likely that there has been a reduction in the frequency of
extreme low temperatures, with a smaller increase in the frequency of extreme
high temperatures.
Concentrations of atmospheric greenhouse gases and their heat trapping
effects have continued to increase as a result of human activities. Carbon
dioxide has increased 31% since 1750; for m ethane (CH4) t he increase h as
been 15%; and, for nitrous oxide (N20) the increase has been 17%. About ~
9 .http://www.ncdc.noaa.gov/paleo/abrum/data elacial3.html
~0 These facts are summarized from the Third Assessment Report referenced in foomote 2, above.
Page 6
of the anthropogenic emissions of CO2 to the atmosphere during the past 20
years is due to fossil fuel burning. The rest is predominantly due to land-use
change, especially deforestation.
Precipitation has increased by about 1 percent over the world's continents in
the last century. High latitude areas are tending to see more significant
increases in rainfall, while precipitation has actually declined in many tropical
areas.
Sea level has risen worldwide approximately 15-20 cm (6-8 inches) in the last
century. Approximately 2-5 cm (1-2 inches) of the rise has resulted from the
melting of mountain glaciers. Another 2-7 cm has resulted from the expansion
of ocean water that resulted from wanner ocean temperatures.
What may be in dispute by the scientific community is (a) what will the wanning trend
look like in the future, and (b) what specific localized changes can be predicted.
The U.S. Environmental Protection Agency describesH the uncertainty of this area of
study as follows:
Scientists have identified that our health, agriculture, water
resources, forests, wildlife and coastal areas a re vulnerable t o t he
changes that global warming may bring. But projecting what the exact
impacts will be over the 21st century remains very difficult. This is
especially tree when one asks how a local region will be affected.
Scientists are more confident about their projections for large-scale
areas (e.g., global temperature and precipitation change, average sea
level dse) and less confident about the ones for small-scale areas (e.g.,
local temperature and precipitation changes, altered weather patterns,
soil moisture changes). This is largely because the computer models
used to forecast global climate change am still ill-equipped to simulate
how things may change at smaller scales.
Some of the largest uncertainties am associated with events that pose
the greatest dsk to human societies. IPCC cautions, "Complex systems,
such as the climate system, can respond in non-linear ways and
produce surprises." There is the possibility that a warmer world could
lead to mom frequent and intense storms, including hurricanes.
Preliminary evidence suggests that, once hurricanes do form, they will
be stronger if the oceans are warmer due to global warming. However,
the jury is still out whether or not hurricanes and other storms will
become more frequent.
Mom and mom attention is being aimed at the possible link between El
Nifio events - the pedodic warming of the equatorial Pacific Ocean -
and global warming. Scientists am concerned that the accumulation of
greenhouse gases could inject enough heat into Pacific watem such
that El Nifio events become more frequent and fierce. Here too,
reseamh has not advanced far enough to provide conclusive statements
about how global warming will affect El Nifio.
Like many pioneer fields of research, the current state of global warming
science can't always provide definitive answem to our questions. Them
is certainty that human activities am rapidly adding greenhouse gases
to the atmosphere, and that these gases tend to warm our planet. This
is the basis for concern about global warming.
]] http://yosemite.epa.gov/OAR/globalwarming.nsffcontenV'C limateUncertainties.html#known#known
Page 7
The fundamental scientific uncertainties are these: How much more
warming will occur? How fast will this warming occur? And what are the
potential adverse and beneficial effects? These uncertainties will be with
us for some time, perhaps decades.
Global warming poses real dsks. The exact nature of these dsks
remains uncertain. Ultimately, this is why we have to use our best
judgment - guided by the current state of science - to determine what
the most apprepdate response to global warming should be.
What effects will global warming have on the climate in Aspen?
The U.S. Environmental Protection Agency~2 has stated: · Continued warming could melt the glaciers in Glacier National Park by
2030.
· Wanner mountain streams may harm trout and other cold-water species,
adding to existing stresses such as whirling disease.
· Plant species distributions may change as the climate changes.
· Rare alpine plants may become increasingly rare.
Climate and precipitation data for the Aspen area has only been gathered for a relatively
recent period of time. Figure 3 shows the only data that the City of Aspen has collected
regarding the amount of snowfall received at the City's water plant from 1934 to the
present. While the linear trend line indicates that the amount of snowfall has increased
over this period of time, the amount of data is too limited to rely on any calculated trend
line.
Fig. 3 - Snowfall in inches 1934-35 - 2003-04 Seasons
Season
t2 Appended hereto as Exhibit 2 is a copy of a publication produced by the USEPA and National Park
Service. It is intended as a case study for climate change, wildlife, and wildlands in the Western mountains
and plains. Also appended as Exhibit 3 is a publication entitled "Climate Change and Colorado" published
by t he U SEPA O ~ce o f Policy, Planning a nd E valuation. T his p ublicafion concludes t hat "There most
likely will b e increases i n temperature a nd changes i n precipitation, s oil moisture, a nd sea Ievel, which
could have adverse effects on many ecological systems, as well as on human health and the economy." It
further concludes that "the extent of forested areas in Colorado could change as little or decline by as much
as 15-30%."
Page 8
Figures 4 and 5, below, show the date of the last and first frosts for each year for Aspen
for the last 50 years. While the trend lines would appear to be consistent with a warming
trend, showing "last spring frosts" coming earlier and "first fall frosts" coming later, the
amount of data is too limited to reliably predict any trend13.
29-Jun
Ig-Jun
9-Jun
30-May
30-Apr
20-Apr
10-Apr
Fig. 4 - Last Frost of the year (1949 - 2004)
27-0ct
17-Oct
7-Oct
27-$ep
17-Sep
7-Sep
Fig. 5 - Fimt Frost of the year (1949 - 2004)
9-Jul
Fig. 6 - (1914 - 2004)
Frost-Free Days Per Year
y = 0.2503x + 76.864
13 See Exhibit 4 appended hereto wherein the AP reports that scientists at Comell University predict earlier
spring in the Northwest by studying the dates when lilac bushes first bloom.
Page 9
Fig. 7 - (1914 - 2004)
Below-Zero Days
Fig. 8 - (1914 - 2004)
Average High and Low Temperatures
--e--Average High
Average Low
The above data may not be for a sufficiently long period of time to reliably make any
conclusions a bout t he reeent climate o r precipitation t rends i n the Aspen area, b ut t he
trends are certainly worrisome. The frost free period has increased at a rate of 2.5 days
per decade since 1914. The fi'ost free period over the last 50 years has increased from an
average of 76 days to an average of 108 days in 2004. Since 1914, the average low
temperature in Aspen has increased from 24 °F to 28 °F.
The truth is we do not really know what effects the continuing trend in global warming
will have on Aspen or how soon we need to worry about such trends. Isn't it time we
tried to find out? We can reasonably conclude, however, that unless the trend is reversed,
our skiing season will be shortened, and before too long, our entire season will be lost.
Any threat to Aspen's economy and way of life would certainly be addressed by our
elected officials and our community in a meaningful way. We should not ignore the
threat that global wanning poses on Aspen. The canary in the miner's cage is showing
very definite signs of malaise.
Page 10
RESOLUTION NO.
Series of 2005
A RESOLUTION OF THE CITY OF ASPEN, COLORADO, APPROVING THE
CANARY INITIATIVE FOR THE CREATION OF "THE ASPEN GLOBAL
WARMING ALLIANCE" AND DIRECTING THE CITY MANAGER TO TAKE
CERTAIN ACTIONS IN FURTHERANCE OF SAID INITIATIVE.
WHEREAS, the City Council recognizes that the City of Aspen is a world renowned
destination resort community; and
WHEREAS, the City of Aspen's economy is dependent upon tourism and a healthy
mountain community life style; and
WHEREAS, the word's leading climate scientists have documented a clear global
warming trend and the unmistakable impact of human activities on that trend; and
WHEREAS, global wanning of the magnitude now predicted by the scientific
community may cause extremely costly disruption of human and natural systems
throughout the world, including Aspen and other similar mountain communities; and
WHEREAS, climate change could be the most critical current threat to Aspen's
way of life, health, and economy; and
WHEREAS, local actions can help to pave the way for national and international
leadership; and
WHEREAS, the City Council has determined that addressing the potentially
adverse affects of global warming upon the health and economic well-being of its citizens
and guests is, and should be, of the highest priority for the City of Aspen; and
WHEREAS, the City Council desires to continue investing in renewable energy
sources so as to ensure a continuing supply of economic and sustainable energy sources
for its internal operations and its citizens; and
WHEREAS, many of the critical components of a local action plan for climate
protection are already in place or under development in the City of Aspen, including, but
not limited to, the following initiatives:
· Adoption of the world's first Renewable Energy Mitigation Program in 2000
which has raised more that $3.0 million for energy efficiency and renewable
energy in four years;
· Providing 57% of municipal utility's electricity from renewable sources;
· Adoption of the Building America Program for affordable housing projects
funded by the City of Aspen;
· Adoption of the Efficient Building Points Program for all residential building
permits;
Page 11
· Adoption of higher efficient building thresholds for all ~mployee housing
projects funded by the City of Aspen;
· Adoption of the Aspen Energy Code in 1995;
· Adoption of the Ecological Bill of Rights by the City Council which
establishes the right to clean air and water, protects wilderness and open
space, access to public lands, efficient use of energy and resources, protection
from exposure to health hazards, freedom from excessive noise and consistent
enfomement of environmental regulations;
· Implementation ora City chemical management plan to reduce use and
disposal of hazardous chemicals;
· Enactment of a sales tax for the acquisition and protection of open space;
· Enforcement of Land Use Code regulations that require developments to
offset their impacts on water, air, open space, transportation;
· Support of national forest plans that protect roadless areas and prevent
destructive development;
· Implementation of various programs and initiatives including, City building
recycling of office paper, glass, plastic, batteries, newspaper, and cardboard;
purchase of recycled content office paper; City recycling of hundreds of tons
of asphalt per year; computer recycling provided for all city residents;
composting or chipping of all branches, grass and leaves, use of organic
fertilizers, integrated pest management; collection of scrap metal to be given
to sheet metal company instead of taken to the landfill; the formation of a
"Green Team" by City employees that does a number of environmental
projects throughout the City;
· Operation of the second-largest taxpayer-funded mass transit system in
Colorado;
· Operation of City transit programs including free local service, cross-town
shuttles;
· Implementation of a modem paid-parking program to discourage vehicle use
within the City downtown area;
· Creation of a car sharing program;
· Retrofitting mechanical and lighting systems in public buildings;
· Adoption and enforcement ofwoodstoves and fireplaces regulations to ensure
only certified clean-burning devices and a limitation on numbers of fireplaces
and woodstoves;
· Implementation of an aggressive street-sweeping program with minimal use
of street sand;
· Adoption and implementation of an innovative air quality State
Implementation Plan with control measures focused on trip reductions;
· Maintenance of over a dozen miles of biking and walking trails that get people
to work without a car (some of these trails are plowed in the winter to allow
winter commuting);
· Investment in hydroelectric plants at Ruedi Reservoir and Castle Creek which
now produce the cheapest electricity source for the City of Aspen;
· The purchase and use of alternative fuel vehicles and free bicycles for use by
City employees;
· Water monitoring programs to assess impacts of deicers and other chemicals
on local streams;
Page 12
· Discontinuation of use of magnesium chloride for snow melting to preserve
water quality and protect public health;
· Continuing commitment to maintain minimum stream flows in area rivers;
· Maintenance of an Audubon certified municipal golf course;
· Restoration and creation of new wetlands;
· Construction of a raw water system for irrigation;
· Joining with other public and private organizations as a partner of the Rocky
Mountain Climate Organization, in support of its coordinated efforts to spread
the word about what climate change can mean to the Rocky Mountain region
and what can be done about it;
· Adoption of water and electric rates that encourage conservation; and
WHEREAS, the City Council has determined that more should be done to address
the potential risks associated with the phenomenon of global warming, including, but not
necessarily limited to, greenhouse gas reduction activities, energy security and cost
reduction; affordable housing; mobility and, transportation choices; solid waste reduction
and recycling; reliable, affordable water supply; urban and rural forest protection;
sustainable economic development; and, clean air.
NOW, WHEREFORE, BE IT RESOLVED BY THE CITY COUNCIL OF THE
CITY OF ASPEN, COLORADO, THAT:
Section One.
The City Council of the City of Aspen hereby approves that certain proposal
entitled "The Canary Initiative" and calls upon Pitkin County, the Town of Snowmass
Village, other similarly situated mountain resort communities, other non-profit
organizations in Aspen and the Roaring Fork Valley, citizens throughout the Aspen area,
the State of Colorado and the United States Government to assist in the most appropriate
manner for the establishment of the Aspen Global Wanning Alliance.
Section Two.
The City Manager is hereby directed to:
1. Join, together with the Aspen Institute, the Aspen Skiing Company,
the Aspen Global Change Institute, the Aspen Center for
Environmental Studies, the Rocky Mountain Climate Organization,
and the Community Office for Resource Efficiency, in the creation of
the Aspen Global Wanning Alliance. The members of the Alliance
should be free to establish their own goals and objectives, but should
initially attempt to guide the City of Aspen in the implementation of
the Canary Initiative.
2. Continue to work cooperatively with other governmental entities, non-
profit organizations, and businesses in the Roaring Fork Valley to
Page 13
encourage them to join the Aspen Global Warming Alliance for their
mutual benefit and support.
3. Establish cooperative relationships with other municipalities in
Colorado and the United States that have greenhouse gas reduction
plans under the auspices of the International Council for Local
Environmental Initiatives (e.g. Ft. Collins, Boulder and Denver); and
encourage other ski resort and mountain communities to join in similar
efforts.
4. Negotiate and present to City Council for its consideration a
membership agreement with the Chicago Climate Exchange, a
voluntary, legally binding pilot greenhouse trading program for
emission sources and offset projects in North America.
5. Prepare and submit to Council for its consideration a professional
services contract to perform a comprehensive integrated scientific
assessment specific to the Aspen area on the likely consequences to
Aspen of global wanning over the course of the 21st century.
6. Establish a greenhouse gas (GHG) emission inventory for the City of
Aspen that quantifies GHG emissions and is capable of tracking
progress or lack of progress quantitatively in reducing emissions for all
sectors of the Aspen economy. Said emission inventory shall be of
sufficient quality, at a minimum, to qualify for consideration by the
Chicago Climate Exchange membership and participation.
7. Establish, with the assistance of the Aspen Global Warming Alliance,
periodic GHG reduction goals for the City of Aspen, and various
sectors of the community.
8. Negotiate and present to City Council for its consideration a contract
with the Municipal Energy Authority of Nebraska (MEAN) or other
entity to increase the City' s current purchases of wind power so that
wind energy provides an additional 10% of municipal utility' s supply
by the end of 2005. Said contract shall not exceed a continuing annual
cost of $388,800.00.
9. Negotiate and present to City Council for its consideration during the
2006 budget process a contract with the Municipal Energy Authority
of Nebraska (MEAN) or other entity to increase the City' s current
purchases of wind power by an additional 16.5% by the end of 2006.
Said contract shall not exceed a continuing additional annual cost of
$240,200.00.
10. Prepare and present to City Council a construction contract for the
expansion of the City' s renewable energy source by constructing a
new hydroelectric plant on Maroon Creek. Said contract shall be for a
sum between $250,000 to $500,000.00 and shall be included in the
City' s 2006 budget.
11. Prepare and present to City Council a business plan for the acquisition
of additional water rights in the Roaring Fork drainage to protect in-
stream flows.
12. Prepare and present for City Council consideration, a plan to reduce
GHG emissions from transportation and vehicular traffic in Aspen.
Page 14
13. Prepare appropriate legislation for City Council consideration that
would reduce energy consumption in multi-family and commercial
buildings in the City of Aspen.
14. Establish a comprehensive, aggressive and sustained public awareness
campaign on global wanning for the Aspen area that is readily capable
of duplication for other regions of the state or country. The public
awareness campaign shall, at a minimum, include the publication and
distribution of educational materials explaining the reason for the
City' s adoption of the Canary Initiative, an objective explanation of
the global warming phenomenon, and an objective recitation of the
potential threat of climate change to the Aspen economy and way of
life.
15. Coordinate with the Aspen Institute and the Aspen Global Change
Institute the design and presentation of a major international
conference on global warming for 2006; and, prepare and present to
City Council for its consideration a line item in the 2006 budget an
amount not to exceed $50,000.00 for financial support of said
conference. The conference shall be designed to ensure maximum
community participation in all of its workshops, presentations,
symposiums, and reports. The Aspen Global Warming Alliance shall
be asked to assist in the design of the conference.
16. Prepare and submit to the City Council a supplemental budget request
for the 2005 budge[, not to exceed $110,000.00 on an annual basis, to
forthwith employ a new City employee within the City's
Environmental Health Department. Said employee shall assist, direct
and coordinate all City activities as set forth in the Canary Initiative
and this resolution including, but not limited to, coordinating the
activities of the Aspen Global Warming Alliance.
INTRODUCED, READ AND ADOPTED by the City Council of the City of Aspen on
the __ day of ., 2005.
Helen Kalin Klanderud, Mayor
I, Kathryn S. Koch, duly appointed and acting City Clerk do certify that the
foregoing is a true and accurate copy of that resolution adopted by the City Council of the
City of Aspen, Colorado, at a meeting held ,2005.
Kathryn S. Koch, City Clerk
JPW- saved: 3/8/2005-3705-G:\john\word~memos\GLobal warming.doc
HeraldOnline: Reports point to proof of global warming Page 1 Of 4
Reports point to proof of global warming
By MATT CRENSON, AP National Writer
(Published November 13, 2004)
(AP) - Politicians in the nation's capital have
been reluctant to set limits on the camon dioxide
pollution that is expected to warm the planet by 4
to 7 degrees Fahrenheit during the next century,
citing uncertainty about the severity of the threat
But that uncertainty may have shrunk somewhat
with the release last week of two scientific
repoi-ts suggesting that global warming is not just
a hypothetical possibility, but a real phenomenon
that has already started transforming especially
sensitive parts of the globe.
Overall, the reports say, Earth's climate has
warmed by about 1 degree Fahrenheit since
1900. In the Arctic, where a number of
processes ampli~ the warming effects of carbon
dioxide, most regions have experienced a
temperature rise of 4 to 7 degrees In the last 50
years.
That warmth has reduced the amount of snow
that falls every winter, melted away mountain
glaciers and shrunk the Arctic Ocean's summer
sea ice cover to its smallest extent in millennia.
according to satellite measurements. Swaths of
Alaskan permafrost are thawing into soggy nogs,
and trees are moving northward at the expense
of the tundra that rings the Arctic Ocean.
These changes seriously threaten animals SUCh
as polar bears, which live and hunt on the sea
ice. The bears have already suffered a 15
percent decrease in their number of offspring
and a similar decline in weight over the past 25 -
years. If the Arctic sea ice disappears altogether
during the summer months, as same
researchers expect it will by the end of the
bentury, polar bears have little chance of
survival.
Things are less serious in the lower 48, wnere
the effects of climate change have been more
subtle. In much of the United States. spnng
arrives about two weeks eadier than it did 50
years ago. Tropical bird species have anaeared
in Florida and along the Gulf Coast. Soecies
EXHIBIT
HeraldOnline - Reports point to proof of global warming Page 3 Of 4
The atmospheric concentration of carbon dioxide
has risen from 280 parts per million in 1800 to
380 parts per million today due to the
combustion of fossil fuels. Carbon dioxide
causes warming because it heats up more when
exposed to sunlight compared' to other
atmospheric gas~s.
Scientists have always expected the Arctic to
respond earlier and more intensely than other
regions to the buildup of carbon dioxide in the
atmosphere, thanks to several phenomena that
make the far north especially sensitive to climate
perturbations. When warmer temperatures melt
snow, for example, the bare ground that is
exposed absorbs more heat than the white
surface did, causing yet more warming. A similar
thing happens when sea ice melts, exposing
open water.
In the past three Septembers the Arctic sea ice
has melted back 12 percent to 15 percent
.beyond its normal minimum extent.
"It almost suggests that maybe we're about to
reach a threshold beyond which the sea ice may
not be able to recover," said Mark Serreze of the
National Snow and Ice Data Center in Boulder,
Colo.
Ice in the interior of the Arctic pack normally
remains frozen from year to year, growing
thicker with each season. But the recent
increase in melting has eaten into much of that
multi-year ice. So while the Arctic Ocean still
freezes over each winter, more of the solid cover
now consists of thin single-year ice that melts
every spring.
The Arctic is also particularly sensitive to
warming because its plants and soil hold less
water than more temperate environments. That
means more energy reaching the ground is
dedicated to heating the surface instead of
evaporating water.
The atmosphere is thinner in the Arctic than it is
farther south, which also intensifies warming.
And while temperate zones shed some of their
extra heat by shipping it north in ocean currents
and meteorological fronts, the Arctic is the end of
the line in that respect.
A small minority of scientists remains
unconvinced that increasing atmospheric carbon
dioxide can be held responsible for the recent
warming, arguing that natural variability explains
most if not alt of the trend
Global Temperature Changes (1861-1996)
0.8
o
~ -o.2
-0.8
Year
Source: IPCC (1995), updated
4-10 inches over the p~t centre'y, and precipitatinn over land has
increaSed slightly. The frequency o f extreme rainfall events also
has increased throughout much of the United States. .
A new ti~temationai scientific assessment by the Intergovern-
mental Panel on Climate Change recendy concluded that "the
balance of evidence suggests a discernible huma~ influence
' on glo[Jul climate."
Future Climatic changes
For a given concentration of greenhouse gases, the resulting
increase in the atmosphere's heat<rapping ability ann be pre-
dicted with precision, but the resulting impact on climate is mere
uncertain. The climate system is complex and dynamic, with
constant interacticn between the atmosphere, land, [ce, and
oceans. Further, hmnans ha','e never experienced such a rapid rise
itl greenhouse gases. In elliot, a Ialge and uncontrolled plane!-
wide experiment is being conducted.
General circulation models are complex computer simulations
that describe the circulation of air and ocean currents and how
energy is transported within the climate system. While uncertain-
ties remain, these models are a powerfuI tool for studying
climate. As a result of continuous model improvements over the
last few decades, scientists are re~onably confident about the
link between global greenhouse gms concentrafioos and tempera-
ture and about the ability of models to characterize future climam
at continental scales.
Recent model calcu[ation~ st}ggest that the global surface temper-
atnre could increase an average of 1.6-6.3'~F by 2100, with signif-
icant regional vttriation. These temperature changes would be Far
greater than recent ~.atural fluctuations, a~xd they would occur
slgnificandy taster than any known changes in the last 10,000
yearn. The United States is projected to warm more than the
global average, especially as t~wer sulfate aerosols are produced.
The models suggest [hat the rate of evaporation will increase as
the climate warms, wkich will increase average global prenipita-
lion. They also suggest increased frequency of intense rainfall as
well as a mad:ed decrease in sell moisture over some mid*
continentai regions during the smnmen Sea level is projected to
increase by 6-38 inches by 2100.
Calculations of regional climate change are much loss retiab!e
than global ones, and it is unclear whether regional climate will
become more variable. The fi'equency and intensity of some
extreme weather of critical importtmce to ecological systems
(droughts, floods, frosts, chmdiness, the frequency o:f hot or cold
spells, ,md the intensity of associated tim and pest outbreaks)
could increase.
Local Climate Changes
Over the last centta3:, the average temperatore in Fort Collins,
Color;ldo, has increased 4.I°F, and precipitation has decreased
by up to 20°,'o in tn,my pat~s of the state.
Over the next centoxy, climate in Colorado may change even
more. For example, based on projentions made by the
Intergovernmental Panel on Climate Change and results from
the United Kingdom Itadley Centre's climate model (HadCM2),
a model that account,q for both greenhouse gases and aerosols, by
2100 temperatures in Colorado could increase by 3-4°F in spring
m~d f",dI (with a range of 1-8°F) trod 5-6°F in anmmer and winter
(with a range of 2-1.2°F). Precipitation totals are estimated to
change little in summer, although there ~ould be an increase in
the fi'equcncy of sinemet thunderstorms associated with moistore
flew from the Gulf et'Mexico. In spring and fall, precipitation is
estimated to thcrease by I 0%, and winter increases could have a
range of 20-70%. Other clinxate models may show different
results. The amount of precipitation on extreme wet or snowy
days in winter is likely to increase. Tko frequency of extreme hot
days in smltrner would increase because of the general werniing
Precipitation Trends From. 1900 To Present
Treeds~lO0
+20%
+10%
+5%
-5%
-10%
Scurce: Karl et at. (1996)
evaporation may increase the need for irrigation. However. these
same conditions could decrease water supplies, which also may
be needed by natural ecosystems, urban populations, industry,
and other sectors.
Understandably, most studies have not ~lly accounted for
changes in climate variability, water availability, and imperfect
responses by t',~trmers to changing climate. Including these factors
could change modeling results substantially. Analyses that
assume changes in average climate and effective adaptation by
farmers suggest that aggregatu U.S. food production woo£d not be
harmed, although there may be si~tificant regional changes;
In Colorado, agriculture is a $4 billion annual industry, three-
fourths of which comes i'i-om livestock, mainly cattle. Almost
half the crop acreage is irrigated. The major crops in the state are
com. wheat, and hay. Climate change could reduce groin yields
8-33%. Hay and pasture yields could hll by 6% or rise by 13%,
depending ca whether irrigation is used, leading tO changes itl.
acres frowned and produatinn. For example, yiel&s could Pall wkile
production rises because of'an increase in acres farmed.
Forests
Trees and forests are adapted to specific climate conditions, and
as climate wan'as, thrusts will change. These changes could
include changes in species, geographic range, and health arid
productivity. If conditions also become drier, the current range
and density of forests could be redticed mid replaced by grass-
lands and pasture. Even a warmer and weber climate could lead
to change~; trees that are better adapted to these rend/lions, such
as fir and spruce, would thrive. Under these conditions, thrusts
could beanme more dense. These changes could occur during the
lffethnes of today's children, particularly if'change is accelerated
by other su'esses such aa fire, pests, and diseases. Some of these
stresses would thermqelves be worsaned by a warmer and drier
climate.
With changes itl climatu, the extent of forested areas hi Colorado
could change litde or decline by as much as 15-30%. The
uncertainties depend on mauy facturs, including whether soils
become drier and, if so, how much tk~en Hotter, drier weather
could increase the frequency and ~ntensity of wildfires, threatan-
ins both property and fi~rasts. Along file Front Range, drier
cunditions would reduce the range and health of ponderosa and
lodge, pole forests, and increase their susceptibitily to fire.
Grasshmds and rangeland could expand into previously forested
areas in the western part of the state, and p~onTJuniper forests in
Changes In Forest Cover
Current +10°F, +13% Precipitation
. ~ Tuncira ShrubgNoodland
~ Conifer Forest Grassland
~ Broadleat Forest Arid
Savamla/~Voodland
Source: VEMAP Participants (1995); Neilsen (1995)
the southern part of file state could expand northward. Milder
winters could increase the likelihood of insect outbreaks and of
subsequent wildfires in the dead £~.tel left after such an outbreak.
These changes would affect the character of Colorado lbresixs and
the activities ti'tat depend on them. l-[owevm; increased rainfidI
could reduce the severity of these effects.
Ecosystems
Ecus~ystems in Colorado are diverse, ranging from grasslands and
deserts to mountain shmblands, forests, meadows, and alpine
tundra. They also include numerous wetlands and streams.
Because of elevation changes and human land use, many habitats
are fragmented and restricted iu area. Changes in tanlperaV, tre and
precipitation caused by climata change could affect tee incatinn
and hanlth of these ecosystems.
Wamling could affect alpine areas, causing tree lines to dsc by
roughly 351) feet for ever,' degree Fahrenheit of warming.
Mountain ecosystems such aa timse found in Rocky Motmtain
National Park could shift upslope, redgcing habitat for many
· subalpine species. Changas itl rain/all and anowfatl could alter
slx'eamtlows and affect wetlands and wildlife, and possibly
accelerate the invasion of non-native plants icrc streamside
habitats. Aquatic species that are sensitive to water temperature
could be affected adversely by climatu change. Cold-water fish
such its trout could [use important habitat in Colorado, and
endangered species such as the Cc, lorado squawfish could have
difficdlty adapting·
For further information about the potential impacts of climate
change, contact tile Climate and Policy Assessment Division
(2174), U S E~4, 401 id Street S~'1,~ Washington, DC 204F. 0
"If the interdependence and synchrony between animals .and plants are disrupted, the very survival of some
species could be threatened," Wglfe said.
Climate change also could affect plant and bird migration patterns, animals' hibernation patterns, reproductive
cycles, woodland composition, plant pathogens and the availability of plant food for insects and animals.
On the positive side, the warming trend is extending the growing season in the Northeast by several days -
although hotter summers can negatively affect some crops, such as apples and grapes.
Most scientists anticipate the increase in greenhouse gases -- and subsequently, the warming trend - will continue,
so it's important researchers more broadly monitor the consequences for crops, animals and natural areas, Wolfe
said.
Heat-trapping greenhouse gases such as carbon dioxide, nitrous oxide and methane are produced mainly by
industry, automobiles and power plants, climatologists say the gases absorb infrared radiation and trap heat in the
atmosphere.
Copyright 2004 The Associated Press. All rights reserved.This material may not be published, broadcast,
rewritten, or redistributed.