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11 May 17
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Global warming is already having significant and harmful effects on our communities, our health, and our climate. Sea level rise is accelerating. The number of large wildfires is growing. Dangerous heat waves are becoming more common. Extreme storm events are increasing in many areas. More severe droughts are occurring in others.
We must take immediate action to address global warming or these consequences will continue to intensify, grow ever more costly, and increasingly affect the entire planet—including you, your community, and your family.
The good news is that we have the practical solutions at hand to dramatically reduce our carbon emissions, slow the pace of global warming, and pass on a healthier, safer world to future generations.
With your help, we can accomplish it. Even in these difficult times for climate action, we can make a difference.
Together, we can tackle global warming.
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Global warming is happening now. The planet's temperature is rising. The trend is clear and unmistakable.
Every one of the past 40 years has been warmer than the 20th century average. 2016 was the hottest year on record. The 12 warmest years on record have all occurred since 1998.
Globally, the average surface temperature has increased more than one degree Fahrenheit since the late 1800s. Most of that increase has occurred over just the past three decades.
We are the cause. We are overloading our atmosphere with carbon dioxide, which traps heat and steadily drives up the planet’s temperature. Where does all this carbon come from? The fossil fuels we burn for energy—coal, natural gas, and oil—plus the loss of forests due to deforestation, especially in the tropics.
The scientific evidence is clear. Within the scientific community, there is no debate. An overwhelming majority of climate scientists agree that global warming is happening and that human activity is the primary cause.
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Global warming is already having significant and costly effects – and these consequences will only intensify as the planet’s temperature continues to rise.
Accelerating Sea Level Rise Global warming is accelerating the rate of sea level rise and dramatically increasing coastal flooding risks, especially on the U.S. East Coast and Gulf of Mexico.
Longer and More Damaging Wildfire Seasons Wildfires are increasing and wildfire season is getting longer in the Western U.S. as temperatures rise.
More Frequent and Intense Heat Waves Dangerously hot weather is already occurring more frequently than it did 60 years ago.
Costly and Growing Health Impacts Climate change has significant implications for our health, including increased air pollution and a longer and more intense allergy season.
Heavier Precipitation and Flooding As temperatures increase, more rain falls during the heaviest downpours, increasing the risk of flooding events.
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Why has it been so difficult to achieve meaningful solutions to global warming? Media pundits, partisan think tanks, and special interest groups raise doubts about the truth of global warming. This barrage of misinformation misleads and confuses the public — and makes it more difficult to implement effective solutions.
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We must significantly reduce the heat-trapping emissions we are putting into the atmosphere. As individuals, we can help by taking action to reduce our personal carbon emissions. But to fully address the threat of global warming, we must demand action from our elected leaders.
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Tropical deforestation accounts for about 10 percent of the world’s heat-trapping emissions. Reducing tropical deforestation can significantly lower global warming emissions and plays an integral role in a comprehensive long-term solution to global warming.
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Certain consequences of global warming are now inevitable, including sea level rise, more frequent and severe heat waves, and growing wildfire risks. Even as we work to reduce global warming emissions, we must also prepare for this dangerous new reality.
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Sea levels are rising much faster along the Northeast and mid-Atlantic coast than globally, steadily increasing the risk of destructive coastal flooding events.
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A global leader in climate action, California has the nation's most comprehensive, economy-wide global warming pollution reduction program.
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ncreasing temperatures, accelerating sea level rise, and more frequent and intense heat waves are just some of the climate impacts that Southeast states can expect.
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Across the Midwest, records show that spring is arriving sooner, dangerously hot weather is occurring more often, and winters are becoming warmer and less snowy.
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25 Apr 17
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15 Mar 17
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21 Feb 17
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temperature is rising. The trend is clear and unmistakable.
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40 years has been warmer than the 20th century average.
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12 warmest years on record have all occurred since 1998.
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average surface temperature has increased more than one degree Fahrenheit since the late 1800s
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occurred over just the past three decades.
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13 Feb 17
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Global warming is happening now. The planet's temperature is rising. The trend is clear and unmistakable.
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24 Nov 16
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having significant and harmful effects on our communities, our health, and our climate
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Global warming
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Dangerous heat
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10 Nov 16
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Sea level rise is accelerating. The number of large wildfires is growing. Dangerous heat waves are becoming more common. Extreme storm events are increasing in many areas. More severe droughts are occurring in others.
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Every one of the past 38 years has been warmer than the 20th century average. The 12 warmest years on record have all occurred since 1998. The hottest year ever recorded for the contiguous United States occurred in 2012.
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Globally, the average surface temperature has increased more than one degree Fahrenheit since the late 1800s. Most of that increase has occurred over just the past three decades.
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We are overloading our atmosphere with carbon dioxide, which traps heat and steadily drives up the planet’s temperature. Where does all this carbon come from? The fossil fuels we burn for energy—coal, natural gas, and oil—plus the loss of forests due to deforestation, especially in the tropics.
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Global warming is accelerating the rate of sea level rise and dramatically increasing coastal flooding risks, especially on the U.S. East Coast and Gulf of Mexico.
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Wildfires are increasing and wildfire season is getting longer in the Western U.S. as temperatures rise.
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Climate change has significant implications for our health, including increased air pollution and a longer and more intense allergy season.
-
As temperatures increase, more rain falls during the heaviest downpours, increasing the risk of flooding events.
-
We must significantly reduce the heat-trapping emissions we are putting into the atmosphere. As individuals, we can help by taking action to reduce our personal carbon emissions.
-
Tropical deforestation accounts for about 10 percent of the world’s heat-trapping emissions. Reducing tropical deforestation can significantly lower global warming emissions and plays an integral role in a comprehensive long-term solution to global warming.
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12 Oct 16
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Global warming is already having significant and harmful effects on our communities, our health, and our climate.
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reduce our carbon emissions,
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accelerating
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arge wildfires is growing.
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heat waves
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severe droughts
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ackle global warming.
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increasingly affect the entire planet—including you, your community, and your family.
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happening
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a
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tmo
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are the cause
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sphere
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clear and unmistakable.
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emperature is rising.
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t
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traps heat and steadily drives up
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past 38 years
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20th century average
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fossil fuels
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burn for energy—coal, natural gas, and oil
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12 warmest years on record have all occurred since 1998.
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loss of forests due to deforestation
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hottest year ever recorded
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tropics.
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o
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ccurred in 2012.
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s
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cientific
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increased more
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community, there is no debate
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one degree Fahrenheit
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ate 1800s.
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l
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past three decades
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human activity is the primary cause.
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significant and costly effects
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erously hot
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ang
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D
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planet’s temperature continues to rise.
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weather is already occurring more frequently than it did 60 years ago.
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accelerating the rate of sea level rise
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implications for our health,
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increasing coastal flooding risks
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increased air
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longer
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more intense allergy season.
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pollution
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temperatures
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rain falls
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heaviest downpours,
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increase
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risk of flooding events.
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significantly reduce the heat-trapping
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difficult to achieve meaningful solutions
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into the atmosphere.
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special interest groups raise doubts about the truth of global
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reduce our personal carbon emissions
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This barrage of misinformation misleads
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global warming
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fully address
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confuses the public
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elected leaders.
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implement effe
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ctive solutions.
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10 percent
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Tropical deforestation
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inevitable,
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consequences
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global
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tropical
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world’s heat-trapping emissions
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sea level rise,
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frequent and severe heat waves,
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deforestation
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lower global warming
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wildfire risks
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reduce global
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emissions
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dangerous
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warming emissions
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new reality.
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ea levels are rising much faster along the Northeast and mid-Atlantic
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climate action
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S
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nation's
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comprehensive
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conomy-wide global warming pollution
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e
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destructive coastal flooding events
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Increasing temperatures, accelerating sea level rise,
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Midwest, records show that spring is arriving sooner, dangerously hot weather
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climate
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frequent and intense
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Southeast states can expect.
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impacts
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winters are becoming warmer and less snowy.
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25 May 16
estukuneInfo on climate change/global warming
report ongaging challenges issues climate change environment global warming
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Global warming is already having significant and harmful effects on our communities, our health, and our climate. Sea level rise is accelerating. The number of large wildfires is growing. Dangerous heat waves are becoming more common. Extreme storm events are increasing in many areas. More severe droughts are occurring in others.
We must take immediate action to address global warming or these consequences will continue to intensify, grow ever more costly, and increasingly affect the entire planet—including you, your community, and your family.
The good news is that we have the practical solutions at hand to dramatically reduce our carbon emissions, slow the pace of global warming, and pass on a healthier, safer world to future generations.
With your help, we can accomplish it.
Together, we can tackle global warming.
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20 May 16
racke19990Information from the scientists perspective with their input and opinions on how to change it.
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17 Apr 16
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We are overloading our atmosphere with carbon dioxide, which traps heat and steadily drives up the planet’s temperature
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The 12 warmest years on record have all occurred since 1998
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Tropical deforestation accounts for about 10 percent of the world’s heat-trapping emissions
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sea level rise, more frequent and severe heat waves, and growing wildfire risks
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23 Mar 16
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The good news is that we have the practical solutions at hand to dramatically reduce our carbon emissions, slow the pace of global warming, and pass on a healthier, safer world to future generations.
-
Global warming is already having significant and harmful effects on our communities, our health, and our climate. Sea level rise is accelerating.
-
Every one of the past 38 years has been warmer than the 20th century average. The 12 warmest years on record have all occurred since 1998
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As temperatures increase, more rain falls during the heaviest downpours, increasing the risk of flooding events.
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29 Feb 16
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07 Jan 16
amori20010This is a really good website that talks about how we are trying to fix Global Warming, Regional Work people are doing,possible solutions and much more.
global warming CLIMATE CHANGE climate Union Concerned globalwarming
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08 Dec 14
aquadude52The Union of Concerned Scientists puts rigorous, independent science to work to solve our planets most pressing problems. Joining with citizens across the country, we combine technical analysis and effective advocacy to create innovative, practical solutions for a healthy, safe, and sustainable future.
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29 Oct 14
Zachariah MaldonadoThis breaks down the science of global warming
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28 Oct 14
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27 Oct 14
obmedforThe Union of Concerned Scientists puts rigorous, independent science to work to solve our planet's most pressing problems. Joining with citizens across the country, we combine technical analysis and effective advocacy to create innovative, practical solutions for a healthy, safe, and sustainable future.
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17 May 12
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23 Apr 12
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Climate disruptions put our food and water supply at risk, endanger our health, jeopardize our national security, and threaten other basic human needs.
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Our country is at a crossroads: the United States can act responsibly and seize the opportunity to lead by developing new, innovative solutions, as well as immediately putting to use the many practical solutions we have at our disposal today; or we can choose to do nothing and deal with severe consequences later.
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When CO2 and other heat-trapping emissions are released into the air, they act like a blanket, holding heat in our atmosphere and warming the planet.
-
Why has it been so difficult to achieve meaningful solutions? Media pundits, partisan think tanks, and special interest groups funded by fossil fuel and related industries raise doubts about the truth of global warming. These deniers downplay and distort the evidence of climate change, demand policies that allow industries to continue polluting, and attempt to undercut existing pollution standards. UCS fights misrepresentations of global warming, providing sound, science-based evidence to set the record straight.
-
. Our individual efforts are important, but the biggest impact on climate change will come from large-scale changes—well-reasoned international, national, and regional policies; thoughtful, systematic efforts to reduce polluting fossil fuel energy sources and unsound land use practices; and steady progress toward a green, sustainable future
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Aaron HutterThis discusses in depths the causes and effects of global warming.
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The Earth is warming and human activity is the primary cause.
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Climate disruptions put our food and water supply at risk
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Our country is at a crossroads: the United States can act responsibly and seize the opportunity to lead by developing new, innovative solutions, as well as immediately putting to use the many practical solutions we have at our disposal today; or we can choose to do nothing and deal with severe consequences later. At UCS we believe the choice is clear. It is time to push forward toward a brighter, cleaner future.
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Who can reduce global warming emissions? We can—together.
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For more than 20 years, UCS has worked with leading experts to educate United States decision makers and the public about global warming, and implement practical solutions at an international, national, regional, and state levels.
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The Earth is warming and human activity is the primary cause.
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protect the health and economic well-being of current and future generations from the consequences of the heat-trapping emissions
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These deniers downplay and distort the evidence of climate change, demand policies that allow industries to continue polluting, and attempt to undercut existing pollution standards.
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Who can reduce global warming emissions? We can—together. Our individual efforts are important, but the biggest impact on climate change will come from large-scale changes
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For more than 20 years, UCS has worked with leading experts to educate United States decision makers and the public about global warming, and implement practical solutions at an international, national, regional, and state levels.
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Mackenzie HillMost websites provide students with facts about global warming, but this website provides ways for students to actually HELP the effects of global warming.
CLIMATE CHANGE global warming warming global climate Concerned Union globalwarming
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Global Warming
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Climate disruptions put our food and water supply at risk, endanger our health, jeopardize our national security, and threaten other basic human needs. Some impacts—such as record high temperatures, melting glaciers, and severe flooding and droughts—are already becoming increasingly common across the country and around the world
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However, there is much we can do to protect the health and economic well-being of current and future generations from the consequences of the heat-trapping emissions caused when we burn coal, oil, and gas to generate electricity, drive our cars, and fuel our businesses.
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. It is time to push forward toward a brighter, cleaner future.
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What is Global Warming?
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We can—together
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21 Mar 12
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When CO2 and other heat-trapping emissions are released into the air, they act like a blanket, holding heat in our atmosphere and warming the planet. Overloading our atmosphere with carbon has far-reaching effects for people everywhere. Learn more

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What does the science say about global warming and what are the connections between climate data and the changes we see around us—and those we expect to see in the future? Learn more

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Why has it been so difficult to achieve meaningful solutions? Media pundits, partisan think tanks, and special interest groups funded by fossil fuel and related industries raise doubts about the truth of global warming. These deniers downplay and distort the evidence of climate change, demand policies that allow industries to continue polluting, and attempt to undercut existing pollution standards. UCS fights misrepresentations of global warming, providing sound, science-based evidence to set the record straight. Learn more

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Who can reduce global warming emissions? We can—together. Our individual efforts are important, but the biggest impact on climate change will come from large-scale changes—well-reasoned international, national, and regional policies; thoughtful, systematic efforts to reduce polluting fossil fuel energy sources and unsound land use practices; and steady progress toward a green, sustainable future. Learn more

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20 Mar 12
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14 Mar 12
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13 Mar 12
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29 Jan 12
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03 Jan 12
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When CO2 and other heat-trapping emissions are released into the air, they act like a blanket, holding heat in our atmosphere and warming the planet. Overloading our atmosphere with carbon has far-reaching effects for people everywhere
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26 Oct 11
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25 Oct 11
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- Irene Is the 10th Billion-Dollar Weather Disaster for 2011, a blog post by senior climate economist Rachel Cleetus. Read more blog posts from our global warming experts.
- Attack on the Clean Air Act
- Visit our new Climate Hot Map to learn about the effects of global warming
- Steps the EPA Must Take to Reduce Global Warming Emissions
The Earth is warming and human activity is the primary cause. Climate disruptions put our food and water supply at risk, endanger our health, jeopardize our national security, and threaten other basic human needs. Some impacts—such as record high temperatures, melting glaciers, and severe flooding and droughts—are already becoming increasingly common across the country and around the world. So far, our national leaders are failing to act quickly to reduce heat-trapping emissions.
However, there is much we can do to protect the health and economic well-being of current and future generations from the consequences of the heat-trapping emissions caused when we burn coal, oil, and gas to generate electricity, drive our cars, and fuel our businesses.
Our country is at a crossroads: the United States can act responsibly and seize the opportunity to lead by developing new, innovative solutions, as well as immediately putting to use the many practical solutions we have at our disposal today; or we can choose to do nothing and deal with severe consequences later. At UCS we believe the choice is clear. It is time to push forward toward a brighter, cleaner future.
Highlights
Campaign:
Analysis:
What is Global Warming?
When CO2 and other heat-trapping emissions are released into the air, they act like a blanket, holding heat in our atmosphere and warming the planet. Overloading our atmosphere with carbon has far-reaching effects for people everywhere. Learn more

Global Warming Science & Impacts
What does the science say about global warming and what are the connections between climate data and the changes we see around us—and those we expect to see in the future? Learn more
Global Warming Contrarians
Why has it been so difficult to achieve meaningful solutions? Media pundits, partisan think tanks, and special interest groups funded by fossil fuel and related industries raise doubts about the truth of global warming. These deniers downplay and distort the evidence of climate change, demand policies that allow industries to continue polluting, and attempt to undercut existing pollution standards. UCS fights misrepresentations of global warming, providing sound, science-based evidence to set the record straight. Learn more

Global Warming Solutions
Who can reduce global warming emissions? We can—together. Our individual efforts are important, but the biggest impact on climate change will come from large-scale changes—well-reasoned international, national, and regional policies; thoughtful, systematic efforts to reduce polluting fossil fuel energy sources and unsound land use practices; and steady progress toward a green, sustainable future. Learn more

Support Our Work
For more than 20 years, UCS has worked with leading experts to educate United States decision makers and the public about global warming, and implement practical solutions at an international, national, regional, and state levels. UCS recently helped defend
- Irene Is the 10th Billion-Dollar Weather Disaster for 2011, a blog post by senior climate economist Rachel Cleetus. Read more blog posts from our global warming experts.
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22 Aug 11
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05 Jul 11
shiz azcitizens and scientists for environmental solutions
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28 Jun 11
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22 May 11
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03 May 11
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The Earth is warming and human activity is the primary cause. Climate disruptions put our food and water supply at risk, endanger our health, jeopardize our national security, and threaten other basic human needs. Some impacts—such as record high temperatures, melting glaciers, and severe flooding and droughts—are already becoming increasingly common across the country and around the world. So far, our national leaders are failing to act quickly to reduce heat-trapping emissions.
-
caused when we burn coal, oil, and gas to generate electricity, drive our cars, and fuel our businesses.
-
When CO2 and other heat-trapping emissions are released into the air, they act like a blanket, holding heat in our atmosphere and warming the planet. Overloading our atmosphere with carbon has far-reaching effects for people everywhere.
-
Who can reduce global warming emissions? We can—together. Our individual efforts are important, but the biggest impact on climate change will come from large-scale changes—well-reasoned international, national, and regional policies; thoughtful, systematic efforts to reduce polluting fossil fuel energy sources and unsound land use practices; and steady progress toward a green, sustainable future.
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14 Apr 11
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17 Dec 10
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09 Nov 10
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08 Nov 10
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Global warming is one of the most serious challenges facing us today. To protect the health and economic well-being of current and future generations, we must reduce our emissions of heat-trapping gases by using the technology, know-how, and practical solutions already at our disposal.
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01 Sep 10
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31 Mar 10
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22 Feb 10
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- Scientific Integrity
- Global Warming
- Global Warming 101
- Global Warming Science and Impacts
- Global Warming Solutions
- Regional Information
- What You Can Do
- Successes
- Clean Vehicles
- Clean Energy
- Nuclear Power
- Nuclear Weapons & Global Security
- Food & Agriculture
- Invasive Species
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Global warming is one of the most serious challenges facing us today. To protect the health and economic well-being of current and future generations, we must reduce our emissions of heat-trapping gases by using the technology, know-how, and practical solutions already at our dispo
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28 Oct 09
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16 Oct 09
Jari KolehmainenPerusteellinen esitys ilmastonmuutoksesta.
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15 Sep 09
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Global warming is one of the most serious challenges facing us today. To protect the health and economic well-being of current and future generations, we must reduce our emissions of heat-trapping gases by using the technology, know-how, and practical solutions already at our disposal.
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27 Apr 09
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21 Apr 09
Gabriel SternConcerned Scientist pages on global warming
"Global warming" > Info
"check out the bar on the side" -
03 Jan 09
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01 Dec 08
Katie Mscientists working on global warming
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15 Oct 08
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16 Apr 08
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15 Apr 08
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04 Apr 08
Ellen SpielmanUnion of Concerned Scientists' (nonprofit) view on Global Warming
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07 Nov 07
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25 Sep 07
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27 May 07
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25 Mar 07
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04 Jan 07
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15 Dec 06
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20 Nov 05
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