This is my archive

Commentary Blog

Climate Change: A Real Force In The 2020 Campaign?

Research Publications

Your Uber Has Arrived: How Ridesharing Expands Access, Increases Emissions, and Changes Cities

Research Publications

Bye-Bye Bus: Ride-Hail in Philadelphia

Research Publications

Follow the Carbon: The Case for Neighborhood-Level Carbon Footprints

Research Publications

Superblocks: Barcelona’s Plan to Free Itself from Cars

Commentary Blog

Don’t Let Climate Denial Distract Us

Commentary Podcast

Three Pathways to Uphold America’s Paris Commitment

Commentary Blog

Report Highlights Three Paths for U.S. to Meet Paris Climate Target

Commentary Blog

Cities Get Failing Grades for Air Quality

Commentary Blog

The FERC, An Under-the-Radar Federal Regulator, Is Key To U.S. Energy-Climate Balance