Previous agreements to restrict greenhouse-gas emissions, including Kyoto, have largely failed. To curb global warming, negotiators are hoping countries will design and enforce their own cuts.
Top international scientists will take part in an independent review of the Intergovernmental Panel on Climate Change (IPCC) and its reports on global warming, which have been widely criticized recently for inaccuracies.
Carbon emissions affect more than the climate. Scientists now suspect they are also making Alaskan seas more acidic.
As the world gets warmer, strategies for helping wildlife adapt.
A warmer world will have adverse effects on wildlife. We can help save animals, but it will take savvier approaches, scientists say.
China, the world leader in both economic growth and carbon emissions, faces the dilemma of how to respond to the challenges of global warming while not harming its robust economy.
An ancient evergreen tree reveals its secret life to scientists, helping them decode climate history.
New study by scientists in India finds that the biggest glacier in the Indian portion of Kashmir has shrunk, imperiling the water supply of millions of people in the region..
Since 1990, heat waves with high humidity have increased in both frequency and intensity in southern California.
Many fir trees in Mexico that provide winter homes for monarch butterflies are being killed by bark beetles.