It's official: The South Pole is also succumbing to human-induced climate change

While some specific climate changes have been linked to human activity, especially in the Arctic, it has not yet been possible to conclusively demonstrate a link to actual surface temperature changes at both poles.

The world will turn into a desert if humanity believes that 6,7 billion people can continue to flush their excrement into one of the world's most precious and life-sustaining resources.

Califoria's plants are at risk of collapse unless they migrate or are moved to refuges, scientists say. Animals may also be separated from plants on which they depend, according to researchers.

ANCHORAGE, Alaska -- The state of Alaska will sue to challenge the recent listing of polar bears as a threatened species, Gov. Sarah Palin announced Wednesday. She and other Alaska elected officials fear a listing will cripple oil and gas development

Earth Hour 2007 was a Sydney event. Earth Hour 2008 is a global movement. Many cities from Canberra to Copenhagen, from Chicago to Tel Aviv will turn off lights for one hour in March.

WASHINGTON -- An already relentless melting of the Arctic greatly accelerated this summer, a warning sign that some scientists worry could mean global warming has passed an ominous tipping point. One even speculated that summer sea ice would be gone in 5

If you live anywhere near a big city it's likely you can't see much through the fog of light pollution. Now, a movement of activists and scientists are taking up the cause of darkness

Nearly 200 nations agreed at U.N.-led talks in Bali on Saturday to launch negotiations on a new pact to fight global warming after a reversal by the United States allowed a breakthrough.

Industrialized countries have a moral responsibility to help Africa mitigate the effects of climate change, Kenya's Nobel laureate Wangari Maathai said on Friday