In honor of Earth Day, there was no beef or cheese on the menu at places such as the University of San Francisco dining hall.
"We don't do it every day," Hall notes. "It's not like we never have hamburgers — there'd be a revolt."
But students will be eating a lot fewer burgers if Helene York has her way. She's the manager of a nationwide low-carbon campaign for Bon Appetit, a food-service company based in Palo Alto, Calif. Her program reaches more than 400 cafeterias and cafes across the country. All of them trimmed out beef and cheese for the day. More>>
- All Things Considered, Earth Day, April 22, 2009