Half a degree makes a big difference in a warming world

Half a degree Celsius may not seem like much, but climate experts say a world that has warmed 1.5 degrees Celsius above 19th-century levels compared to 2C could be the difference between life and death.

Climate vulnerable nations call for drastic action

From low-lying islands in the Pacific to parched areas of Africa, nations facing the most immediate peril of climate change called Monday for the world to take more drastic action to avoid catastrophe.

UN meeting: help nations adapt to global warming

(AP) -- As nations negotiate tough decisions on cutting greenhouse gases, the United Nations is holding a separate conference on coping with more floods, droughts and other effects of climate change already assured.

Climate change health impacts loom large

The world should brace for potentially devastating impacts on human health due to climate change, top policy makers and officials from around the globe meeting in Paris said Thursday.

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