TUNE IN: Taking Action on AI Today and in the Future

RSVP to join our online audience


How We Know Humans Are Changing the Climate

Joe Romm Interviews Michael MacCracken

Joe Romm interviews scientist and IPCC report author Michael MacCracken about the science of climate change.

Michael MacCracken 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:

The positions of American Progress, and our policy experts, are independent, and the findings and conclusions presented are those of American Progress alone. A full list of supporters is available here. American Progress would like to acknowledge the many generous supporters who make our work possible.