Tale of two climate crises gives clues to the present

Figuring out what lies ahead for our species and our planet is one of the most pressing and challenging tasks for climate scientists. While models are very useful, there is nothing quite like Earth's history to reveal details ...

Climate experts say they hear talk at UN but not much action

Leader after leader told the United Nations on Monday that they will do more to prevent a warming world from reaching even more dangerous levels. But as they made their pledges at the Climate Action Summit, they and others ...

Five-year period ending 2019 set to be hottest on record

A damning new UN report published Sunday said the world is falling badly behind in the race to avert climate disaster because of runaway warming, with the five-year period ending 2019 set to be the hottest ever.

Swiss to hold high-altitude wake for lost glacier

Dozens of people will undertake a "funeral march" up a steep Swiss mountainside on Sunday to mark the disappearance of an Alpine glacier amid growing global alarm over climate change.

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