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G8 to act on climate change, later... maybe

Himalayan glacial melt

Glaciers in the Himalayas provide the water source for one-sixth of humanity. Now that water source is threatened by climate change. As the temperature rises, these reservoirs of ice disappear. Guanli Wang, a journalist with China S&T, reports back after taking part in an expedition documenting how this is happening right before our eyes.

IPCC report lays out options

Renewable energy and energy efficiency are vital. The next two decades are crucial. Changing our energy use is less costly than changing our climate. These are findings from the Intergovernmental Panel on Climate Change (IPCC) report "Mitigating Climate Change", released today.

New climate impacts report from IPCC

The new report was agreed after almost a week of negotiations, at the end of a tense 24-hour marathon session which became increasingly political. The second of a series of four to be released throughout 2007, this report documents the widespread effects that rising temperatures are already having on ecosystems and human activities and assesses the changes projected from human induced climate change over the next century.

Strongest Climate warning yet demands action

With the strongest warnings yet from the international scientific community on the threat of dangerous climate change just published, it's clearly time to match strengths of scientific warnings with determined action to reduce greenhouse gas emissions.