Lars G. Josefsson showed up at the UN General Assembly in New York City in September with a petition signed by 244,500 people that called for action on climate change, including the fixing of a global price for carbon emissions.
An online debate over global warming science has broken out after an unknown hacker broke into the e-mail server at a prominent climate-research center, stole more than a thousand e-mails about global warming and posted them online.
A possible rise in sea levels by 0.5 meters by 2050 could put at risk more than $28 trillion worth of assets in the world's largest coastal cities, according to a report compiled for the insurance industry.
On the steep, dusty slopes of the Chacaltaya mountains, thousands of meters above sea level in the Bolivian Andes, the hardy farmers tending root crops or herding llamas have no need of scientists or climatologists to measure the impact of global warming.
China and the United States, the largest producers of greenhouse gases, will team up to fight climate change and create clean energy, their leaders said Tuesday.
The success of a congressional effort to push through stymied climate change legislation remains far from a sure thing.
A new international treaty to combat climate change will not be ready when 40 world leaders meet next month in Copenhagen but may be finished next year, a top United Nations official said Friday in Barcelona.
Whatever happened to all those new nuclear power plants the country was supposed to build?
A Senate committee Thursday approved a major climate change bill despite a boycott by all of the panel's seven Republican members.
Top Democrats put the issue of climate change back in the spotlight Tuesday, debating legislation to cut greenhouse gas emissions while announcing $3.4 billion in new clean energy funds.
Lars G. Josefsson showed up at the UN General Assembly in New York City in September with a petition signed by 244,500 people that called for action on climate change, including the fixing of a global price for carbon emissions.
An online debate over global warming science has broken out after an unknown hacker broke into the e-mail server at a prominent climate-research center, stole more than a thousand e-mails about global warming and posted them online.
A possible rise in sea levels by 0.5 meters by 2050 could put at risk more than $28 trillion worth of assets in the world's largest coastal cities, according to a report compiled for the insurance industry.
On the steep, dusty slopes of the Chacaltaya mountains, thousands of meters above sea level in the Bolivian Andes, the hardy farmers tending root crops or herding llamas have no need of scientists or climatologists to measure the impact of global warming.
China and the United States, the largest producers of greenhouse gases, will team up to fight climate change and create clean energy, their leaders said Tuesday.
The success of a congressional effort to push through stymied climate change legislation remains far from a sure thing.
A new international treaty to combat climate change will not be ready when 40 world leaders meet next month in Copenhagen but may be finished next year, a top United Nations official said Friday in Barcelona.
Whatever happened to all those new nuclear power plants the country was supposed to build?
A Senate committee Thursday approved a major climate change bill despite a boycott by all of the panel's seven Republican members.
Top Democrats put the issue of climate change back in the spotlight Tuesday, debating legislation to cut greenhouse gas emissions while announcing $3.4 billion in new clean energy funds.
If Congress won't get the job done on climate change, President Obama has a way to do it himself. But is he strong-arming the legislative branch?
The last 50 years have borne witness to a spate of climate-related disasters across the world causing over 800,000 fatalities and $1 trillion in economic losses.
Chinese President Hu Jintao told a U.N. summit on climate change Tuesday that China will reduce greenhouse gas emissions and increase reliance on clean energy sources in coming years.
President Obama joined other world leaders Tuesday in calling for immediate and substantive steps to combat climate change, saying failure to act now would bring "irreversible catastrophe."
The world's tropical forests are disappearing, and one reason is simple economics: People, companies and governments earn more by logging, mining or farming places such as the Amazon jungle than by conserving them.
World leaders converge Tuesday in New York to focus on climate change, with the clock ticking down toward a summit this year in Denmark, where a global climate change pact is to be signed.
Ancient man may have started global warming through massive deforestation and burning that could have permanently altered the Earth's climate, according to a new study by researchers at the University of Virginia and the University of Maryland-Baltimore County.
You're probably not thinking about what you would like for Christmas yet. But ask any environmentalist for their ideal gift and you'll get a version of this answer: a binding agreement at the UN Climate Change Conference in Copenhagen this December that is strong enough to match the science.
What is the future for energy? Where will our power come from by 2020? Send us your thoughts and we'll print the best ones here.
U.S. Secretary of State Hillary Clinton praised India's efforts to reduce carbon emissions Sunday, but India's environment minister said the country won't agree to "legally binding" limits on greenhouse gases.
Microsoft had trouble solving the problems with its Vista operating system, so what are its chances of fixing climate change?
America should attack global warming by ... painting rooftops and road surfaces white.
In the high-stakes game of climate change, the United States and other countries are betting on the idea that technology can make dirty coal cleaner.
Twenty milligrams; that's the average amount of carbon emissions generated from the time it took you to read the first two words of this article.
Leaders of both industrialized powers and emerging economies have agreed to work together on setting a goal to limit global warming to levels recommended by scientists, U.S. President Barack Obama said at the G-8 summit.
The House approved a sweeping energy and climate bill Friday which could for the first time usher in widespread government restrictions on greenhouse gases and help renewable energy become cost competitive with fossil fuels.
Man-made climate change threatens to stress water resources, challenge crops and livestock, raise sea levels and adversely affect human health, according to a report released by the Obama administration on Tuesday.
The head of the Intergovernmental Panel on Climate Change has rejected suggestions that the United States has adopted too soft a stance on climate change negotiations with China.
A new kind of refugee is on the rise. And by 2050, there could be as many as 200 million of them.
Former U.S. President Bill Clinton on Tuesday urged urban leaders and policymakers they need to take the lead now in fighting climate change.
With Congress about to take up sweeping climate-change legislation, expect to hear more in coming weeks from John Christy, director of the Earth System Science Center at University of Alabama-Huntsville.
The indigenous people of Alaska have stood firm against some of the most extreme weather conditions on Earth for thousands of years. But now, flooding blamed on climate change is forcing at least one Eskimo village to move to safer ground.
Secretary of State Hillary Clinton told representatives of the world's leading economies Monday that the United States is no longer "absent without leave" in the global warming debate.
Plants absorbed carbon dioxide more efficiently under polluted skies than they would have done in a cleaner atmosphere, according to new findings published this week in Nature magazine.
Here's yet another reason to stay in shape: Thinner people contribute less to global warming, according to a new study.
Six heat-trapping gases that contribute to air pollution pose potential health hazards, the Environmental Protection Agency said Friday in a landmark announcement that could lead to regulation of the gases.
The world is facing an increasing risk of "irreversible" climate shifts because worst-case scenarios warned of two years ago are being realized, an international panel of scientists has warned.
As President Obama reversed the Bush administration's limits on embryonic stem-cell research, he said scientific decisions must be "based on facts, not ideology."
Undisturbed tropical forests are absorbing nearly one-fifth of the CO2 released by burning fossil fuels, a new study has found.
Environmentalists are encouraged by President Barack Obama's focus this week on renewable energy and stricter emissions standards, although some economists are skeptical he can pull the country out of the recession while cleaning up the planet.
Although topic A at Davos is the financial meltdown, a few brave souls took it upon themselves to grapple with the still existing - and for the last few months largely ignored - problem of global warming.
Suggesting that the planet will soon reach an irreversible "tipping point" of damage to the climate, former Vice President Al Gore told members of Congress on Wednesday that the United States needs to join international talks on a treaty.
Former U.S. Vice President Al Gore is expected to tell a Senate panel on Wednesday that the United States needs to provide leadership on the world stage in tackling climate change, a Senate aide said.
The Japanese space agency launched a satellite Friday that will measure greenhouse gases from the earth's orbit.
Human-induced global warming is real, according to a recent U.S. survey based on the opinions of 3,146 scientists. However there remains divisions between climatologists and scientists from other areas of earth sciences as to the extent of human responsibility.
To save the planet and move away from imported fuel, some say a big energy tax is the best way to go.
Scientists think they have uncovered conclusive proof that human activity is responsible for rising temperatures in both polar regions.
Of all the power supplies in the energy mix, nuclear has historically been the most criticized and controversial. But this most unpopular of power sources has recently resurfaced in political and economic dialogue.
If climate change were a small house fire, current policy in the European Union and the United Kingdom would ensure that it would destroy not just the house but the entire suburb.
Global warming and the state of the planet aren't exactly laughing matters, but for comedian Abie Philbin Bowman, the dire environmental outlook has at least one bright side.
The head of the Intergovernmental Panel on Climate Change has described as "tragic" the lack of action on climate change by developed countries.
Debate is rife in Australian political circles about whether carbon trading is the way forward for climate change abatement.
It can often seem like hard work keeping track of the changes happening to our planet. Another day, another new prediction. Another week, another warning. It's enough to make even the most conscientious climate change student issue a weary discombobulated sigh.
A new study investigating the amount of carbon in Australian soil has cast doubt over the accuracy of current climate models in predicting future levels of global warming.
Global warming data is released constantly these days -- and all of it shows that our planet is in peril.
Despite the recent rout in oil prices, the government expects crude to shoot back up over the long term. That is expected to result in a drastic drop in oil imports and a greater use of renewable energy.
Nature can be amazingly resilient, capable of adapting to constantly changing ecological conditions. And yet, this resiliency is limited and rapidly reaching the breaking point.
With former Vice President Al Gore at his side, President-elect Barack Obama said Tuesday it's time the issue of climate change is dealt with in a "serious way."
There's no point in having a debate without varied points of view. Send us an email by filling out the form on the front page, file an iReport or click on the "Sound Off" button at the bottom of this page.
The new President's first order of business? Don't be George W. Bush
It may seem like common sense to wait until there is proof of the damage of global warming before taking action. But by then it will be too late -- so scientists must do a better job of explaining the dangers now
There's a new wave of horror films stalking the box office.
No one wants melting ice cream. Nor do we want melting polar ice caps. The trouble is, keeping our ice cream cold warms the planet because powerful greenhouse gases are used in most refrigerators and freezers in the U.S.
Climate change is happening faster than previously predicted according to a new World Wildlife Fund report.
Dr Jan Zalasiewicz is the author of "The Earth After Us -- What legacy will humans leave in the rocks?" His book examines what might remain of our civilization in the strata 100 million years from now, and how aliens might piece together the story of the planet and our brief but dramatic impact on it.
Autumn temperatures in the Arctic are at record levels, the Arctic Ocean is getting warmer and less salty as sea ice melts, and reindeer herds appear to be declining, researchers reported Thursday
When it comes to successful electioneering, Bill Clinton's unofficial 1992 campaign mantra for the U.S. presidency, "It's the economy, stupid" often holds true, but what about the environment?
By creating reserves, researchers have given animals the safehouses they need to thrive. But as climate change encroaches on that territory, they'll need escape routes to survive
The economy has trumped the environment as the issue du jour, but there's a way that government can commit to saving both at once
Polar bears will now be listed as "threatened" under the Endangered Species Act.
Governments around the world continue to pump billions of dollars into financial markets, but there is still no telling whether the "injections of liquidity" will be enough to prevent "this sucker" -- to quote the President of the United States -- from going down.
You wanted to know more about carbon trading, and Abyd Karmali, Managing Director and Global Head of Carbon Emissions at Merrill Lynch answered.
You wanted to know more about carbon trading, and Abyd Karmali, Managing Director and Global Head of Carbon Emissions at Merrill Lynch answered you questions.
Seven Western states and four Canadian provinces on Tuesday proposed a comprehensive program to cut greenhouse gas emissions from power plants, manufacturers and vehicles
Treasury Secretary Hank Paulson has careened from crisis to crisis lately, backing the Bear Stearns rescue, engineering the government takeover of Fannie Mae, refusing to commit taxpayer money to save Lehman Brothers, and Friday announcing a massive program to help banks offload mortgage-related assets.
Mayor Richard M. Daley has announced a plan to dramatically slash emissions of heat-trapping gases, part of an effort to fight global warming and become one of the greenest cities in the nation
If you think your allergies are bad now, hold on to your handkerchief. Global warming is bound to make them worse
Producing the world's beef and pork intake creates more greenhouse gases than all of the planet's cars, planes and boats combined
Federal researchers are warning that warming temperatures could soon cause California's giant sequoia trees to die off more quickly unless forest managers plan with an eye toward climate change and the impact of a longer, harsher wildfire season
Arctic Ocean sea ice has melted to the second lowest minimum since satellite observations began, according to scientists at the National Snow and Ice Data Center
A new U.N. report urges countries to phase out energy subsidies, saying they often waste money, do not always help the poor and are bad for the environment
Australian Prime Minister Kevin Rudd urged the United States on Tuesday to take more action on climate change and become more involved in the global debate on the issue
Analysis: The White House's proposed overhaul of the Endangered Species Act is its latest end-run around Congress to undo one of the real success stories of the green movement
By any measure, it is a long way from the Park Avenue headquarters of JPMorgan Chase, the global investment bank that generated revenues of $100 billion last year, to the dusty streets of Kampala, Uganda, where a poor woman can buy a new cook stove for about $6.
The 15th UN climate change summit will convene in Copenhagen in December 2009, and world leaders will begin discussing a successor to Kyoto
Global warming is a slow, imperceptible process. On a tour of Greenland, a TIME reporter almost sees it happening
Human-induced climate change is thought to be one of the greatest challenges facing mankind in the 21st Century. A change in temperature of only a couple of degrees has the potential to adversely impact economies, communities and ecosystems throughout the world.
Climate change has turned carbon into an enemy of the environment, but a new book puts the infamous element in its proper (and less villainous) context
If politicians can't agree to renew credits for businesses that create renewable power, both the economy and the environment will suffer
The United States should be making all of its electricity with renewable and carbon-free energy in 10 years, former Vice President Al Gore said Thursday.
The global-warming guru says Americans must replace fossil-fuel power plants with renewable energy within 10 years. But can this "moral and spiritual challenge" be met?
The Court affects environmental policy more than you may realize. And it may only be as green as our next President
President Bush on Wednesday hailed the move by G-8 leaders to coalesce behind a global climate-change strategy, claiming "significant progress"
A call from the world's most powerful nations to establish the goal of halving greenhouse gas emissions worldwide by 2050, was criticized by environmentalists Tuesday.
Covering the coming eco-apocalypse can be depressing business. But Rob Kutner sees the good times in end times
It is a sign of the times that the craziest thing I have seen this week was not Daryl Hannah licking surplus fuel off the petrol cap (or whatever she would call it) of her 60s-era Chevrolet El Camino.
What senators McCain and Obama believe about U.S. energy policy matters - hugely. To fight global warming, the next President will oversee the transition to a new, green economy, which will result in one of the biggest business transformations of the 21st century and potentially one of the largest transfers of wealth since the creation of the income tax.
Ahead of next week's G8 summit in Japan, former British Prime Minister Tony Blair calls for a united front against global warming
I separate my paper and plastics. I take the train to work instead of driving, and I'm definitely going to buy a bunch of those screwy lightbulbs one of these weekends. And...well, when it comes to being green, I guess that's about it.
Global warming could destabilize "struggling and poor" countries around the world, prompting mass migrations and creating breeding grounds for terrorists, the chairman of the National Intelligence Council told Congress on Wednesday.
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