Deborah Gordon is a transportation policy analyst who has worked with the National Commission on Energy Policy, the California Energy Commission, the Hewlett Foundation, and with the Chinese government to develop policies for its burgeoning auto ﬂeet. She has also served as the director of the transportation and energy programs at the Union of Concerned Scientists. Daniel Sperling is professor of engineering and environmental science & policy at the University of California, Davis, and founding director of UC-Davis’s Institute of Transportation Studies. He also serves on the California Air Resources Board, and has authored 10 books and over 200 technical papers and reports on transportation and energy. They are the authors of the book, Two Billion Cars: Driving Toward Sustainability.
More from Deborah Gordon and Daniel Sperling
The number of vehicles worldwide is expected to reach two billion in the next two decades. Surprisingly, China – where the demand for cars has been skyrocketing – just may offer the best hope of creating a new, greener transportation model.
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Yale Environment 360
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Tribal people and ranchers join together to stop a project that would haul coal across their Montana land. Watch the video.
is now available for mobile devices at e360.yale.edu/mobile
An aerial view of why Europe’s per capita carbon emissions are less than 50 percent of those in the U.S. View the photos.
Ugandan scientists monitor the impact of climate change on one of Africa’s most diverse forests and its extraordinary wildlife. Learn more.
video series looks at the staggering amount of food wasted in the U.S. – a problem with major human and environmental costs. Watch the video.
video goes onto the front lines with Colorado firefighters confronting deadly blazes fueled by a hotter, drier climate. Watch the video.
A three-part series Tainted Harvest
looks at the soil pollution crisis in China, the threat it poses to the food supply, and the complexity of any cleanup. Read the series.