Global warming spells doom for Asia's rivers

The livelihood of thousands of Tibetans living on China's highest plateau is under threat as global warming and environmental degradation dry up water sources for three mighty Asian rivers, experts say.

Warming brings more birds north in winter

Long-term global warming is prompting North American birds to winter farther north -- a trend more noticeable in Alaska than anywhere else in the nation, according to a new study by the National Audubon Society.

Activists warn a toothless UN nature pact will fail

The world's next global pact for nature is doomed without clear mechanisms for implementing targets, conservation groups said Saturday on the sidelines of UN talks, as hundreds of protesters took to the streets of Montreal ...

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