Climate, ice sheets & sea level: the news is not good

Parts of Earth's ice sheets that could lift global oceans by meters will likely crumble with another half degree Celsius of warming, and are fragile in ways not previously understood, according to new research.

Before global warming, was the Earth cooling down or heating up?

Accurate climate models play a critical role in climate science and policy, helping to inform policy- and decision-makers throughout the world as they consider ways to slow the deadly effects of a warming planet and to adapt ...

What uncertainties remain in climate science?

The favored refrain of climate deniers and those who oppose climate policies is that "the science is not settled." To some degree, this is true. Climate scientists are still uncertain about a number of phenomena. But it is ...

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