Transportation

Horizon Lines

Associate Professor of Civil and Environmental Engineering Kari Watkins leads a project to turn the UC Davis campus into the world’s premier living-learning lab for researching bike and bus infrastructure.

A Nudge Toward Greener Flying

Air travel now accounts for about 3% of worldwide greenhouse gas emissions, and the sector’s emissions are rising: Global air travel more than doubled from 2004 to 2019. This is literally a first-world problem — most people on Earth fly rarely, if ever. By some estimates, the 1% of humans who fly most often are responsible for half of all air travel emissions.