Meltwater runs across the Greenland ice sheet in rivers. The ice sheet is already losing mass and could soon reach a tipping point. Maria-José Viñas/NASA As the planet warms, it risks crossing ...

Thanks to the dire condition of the Earth's coral reefs, the planet has now reached its first tipping point for human-caused climate change, according to a new report by scientists in Europe. The ...

New research has found that the world has reached the first of many Earth system tipping points. These will cause catastrophic harm unless humanity takes urgent action. A tipping point is a moment in ...

Coral Reefs Have Already Crossed the Line The planet has already reached its first climate tipping point with widespread ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Alexandra A Phillips, University of California, Santa Barbara (THE CONVERSATION) As ...