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The Science of Climate Change

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This presentation was hosted by the Center for American Progress on February 3, 2010.  In this 90-minute video, two respected scientists who helped author reports produced by the Intergovernmental Panel on Climate Change (IPCC) explain:

  • the IPCC's assessment process
  • how we know what we know about human-caused climate change
  • what we have learned since the 2007 IPCC report
  • why the science must inform public policy in the United States


Featured Speakers:

Christopher Field, Director, Department of Global Ecology, Carnegie Institution of Washington, and Professor of Biology and Environmental Earth System Science at Stanford University, and a coordinating lead author for the IPCC’s Fourth Assessment

Michael MacCracken, Chief Scientist for Climate Change Programs, Climate Institute, and co-author/contributing author for various chapters in the IPCC assessment reports


Moderated by:

Joseph Romm, Senior Fellow, Center for American Progress (and

PowerPoint Presentations:

The following PowerPoint presentations appear in the  video:

Christopher Field presentation

Michael MacCracken presentation

Joe Romm introductory presentation


Post-event interviews:

First, here is Joe Romm's five-miniute interview with Christopher Field.  Dr. Field discusses the causes and impacts of climate change.  He speaks about tipping points, the International Panel on Climate Change (IPCC), and skepticism about climate change.   


Second, here is Joe Romm's seven-miniute interview with Michael MacCracken.  Dr. MacCracken discusses the scientific observation of temperature and climate change and why human emissions are seen as the dominant cause.  He speaks about the scale of the impacts and the disruption for cities and civilization.       


Source Links:

Center for American Progress  |   The science of climate change  |   Feb 2010  |  Videos: The science of climate change  |  Feb 2010  |  Videos: ...the human causes of climate change dangers  |  Feb 2010