A discussion about climate change with an earth scientist at PNNL

Lots of federal scientists are connected to ongoing research on the atmosphere, energy, and the question of climate change. Federal Drive host Tom Temin recently got a sort of survey of these topics with an earth scientist at the Pacific Northwest National Laboratory and a delegate to the U.N. Intergovernmental Panel on Climate Change: Dr. Claudia Tibaldi. First question addressed weather versus climate.