Obama pushes for world climate pact after China deal

A Sino-US breakthrough on reducing carbon emissions proves a global deal on climate change is achievable, US President Barack Obama said Saturday, as campaigners hailed new momentum in long-stalled talks.

Climate economics expert urges "critical" investment shift

The next 20 years must see a "critical" investment shift from high- to low-carbon energy sources to limit damaging global warming, Nicholas Stern, an authority on the economics of climate change, said Thursday.

Time running out to reach 2 C warming target: UN experts

Time is running out to limit global warming to two degrees Celsius (3.6 degrees Fahrenheit), the United Nations' climate experts said Sunday, warning that current trends in carbon emissions will lead to disaster.

UN climate report offers stark warnings, hope (Update)

Climate change is happening, it's almost entirely man's fault and limiting its impacts may require reducing greenhouse gas emissions to zero this century, the U.N.'s panel on climate science said Sunday.

Drought hormones measured

Floods and droughts are increasingly in the news, and climate experts say their frequency will only go up in the future. As such, it is crucial for scientists to learn more about how these extreme events affect plants in ...

UN climate experts stress solidity of new report (Update)

Seeking to dispel any doubts over the credibility of their work, U.N. climate experts called their latest report an unbiased and reliable assessment of global warming as they presented it Monday to officials from 110 governments ...

Climate science alarming, irrefutable: Kerry

US Secretary of State John Kerry said Monday the evidence for climate change was beyond dispute but it was not too late for international action to prevent its worst impacts.

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