Video: How We Know Humans Are Changing the Climate

Joe Romm Interviews Michael MacCracken

SOURCE: SP

Michael MacCracken, Ph.D., is the chief scientist for Climate Change Programs at the Climate Institute and a co-author and contributing author for various chapters in the IPCC assessment reports.

(transcript, YouTube, mp4)

For more information, see:

• Event information: The Science of Climate Change
• Video interview: Climate Change Is a Clear and Present Danger: Joe Romm Interviews Christopher Field

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