Related topics: climate change · climate models · climate · clouds

Volcanic eruptions drove ancient global warming event

A natural global warming event that took place 56 million years ago was triggered almost entirely by volcanic eruptions that occurred as Greenland separated from Europe during the opening of the North Atlantic Ocean, according ...

All eyes on the oceans—James Hansen and sea level rise

On July 23, James Hansen and 16 co-authors posted a discussion paper on an open-review website about sea level rise and climate change. The article has garnered massive attention around the internet and scientific communities — both ...

Earth's hot past could be prologue to future climate

(PhysOrg.com) -- The magnitude of climate change during Earth's deep past suggests that future temperatures may eventually rise far more than projected if society continues its pace of emitting greenhouse gases, a new analysis ...

Grim tidings from science on climate change

Scientists monitoring the Earth's climate and environment have delivered a cascade of grim news this year, adding a sense of urgency to UN talks starting Sunday in Poland on how best to draw down the greenhouse gases that ...

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 ...

Weighing the Antarctic ice sheet

One of the last big unknowns in the global climate equation is Antarctica. How stable is the Antarctic ice sheet? More than a mile thick, on average, it locks up 70 percent of the Earth's fresh water.

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