The Consensus View: Kevin Trenberth’s Talks Climate
Kevin Trenberth talks climate change
How the Greenhouse Effect Works
Andrew Dessler explains the Greenhouse Effect
Is the climate sensitivity less than 2°C?
Andrew Dessler on Climate Sensitivity
Scientists are 95% sure humans are causing climate change
CNN explains the Climate Consensus in 2013.
Mike Mann on Hardball
Chris Mathews interviews scientist Michael Mann of Penn State U, and a Republican Strategist, on the GOP's anti-science bent.