: How Do We Know : Videos : Climate Central

How Do We Know: Thinning Sea Ice

Published: November 29th, 2010

NASA scientist Ron Kwok details new technology he is using to monitor how extensively Arctic sea ice is melting from below, a key indicator of the ice's long-term stability.

How Do We Know: Ocean Acidification

Published: October 12th, 2010

The atmosphere isn’t the only place carbon dioxide caused by human activity goes.

How Do We Know: Sea Level Rise

Published: October 5th, 2010

A warming planet could mean that sea levels rise three or more feet by the end of this century.

How Do We Know: Greenland’s Melting Ice Sheet

Published: September 22nd, 2010

Climate change is turning a lot of Greenland's ice to water. But, how do we know?

Climopedia

Library

News, Blogs & Features

May 24th, 2012 - It’s Beach Season; Enjoy it While You Can
May 23rd, 2012 - A River Runs Through It: Scientists Explain Arctic Mercury
May 23rd, 2012 - Western U.S. Faces ‘Extreme’ Wildfire Risk Now and Later
May 23rd, 2012 - The Issue of Population is More Than a Little Radioactive
May 23rd, 2012 - Image of the Day: The Elephant in the Living Room

Gallery

Alaska has been shedding large amounts of ice into the sea – on average, enough to fill a daily freight train around the world.

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