Actor Redford and Pitzer College president Skandera Trombley attend a news conference announcing Pitzer College's breakthrough fossil fuel divestment climate action in Los Angeles

Actor, director, and environmentalist Robert Redford (L) and Pitzer College president Laura Skandera Trombley attend a news conference announcing Pitzer College's breakthrough fossil fuel divestment climate action in Los Angeles, California April 12, 2014. Redford is a trustee at Pitzer College, which is the first Southern California institute of higher education divesting its endowment of fossil fuel stocks. REUTERS/Jonathan Alcorn (UNITED STATES - Tags: EDUCATION ENVIRONMENT ENERGY ENTERTAINMENT)