Tom Karl, Director of NOAA's National Climatic Data Center answers questions about Climate Science

December 14, 2009

On Friday, Dec. 11, Tom Karl was the guest for a live webchat with Washington Post readers about the science of climate change.

The entire chat, Global Warming: What the Science Tells Us, is available online. (Source: The Washington Post/Discussions)

For more information on the science and the wide range of data scientists are using to understand climate change, visit NOAA's National Climatic Data Center Climate Indicators page