Environment

Lester Brown

Founder: Earth Policy Institute

Lester Brown | April 28, 2009 |  October 6, 2013 | The Progressive Forum

Jared Diamond

Acclaimed Scientist, Historian

jared-diamond-videos-upheaval

Sylvia Earle

Oceanographer

Sylvia Earle | April 5, 2011 | Wortham Center, Houston | The Progressive Forum

Tim Flannery

Scientist, Naturalist, Author

Tim Flannery | March 19, 2007 | Wortham Center | The Progressive Forum

Jane Goodall

Founder, Jane Goodall Institute

Jane Goodall | March 9, 2011 | Wortham Center, Houston | The Progressive Forum

AL Gore

Nobel laureate, Environmentalist

Al Gore | June 7, 2006 | Hobby Center | The Progressive Forum

James Hansen

Director, NASA Goddard Institute for Space Studies

James Hansen | December 7, 2009 | Wortham Center | The Progressive Forum

Robert F. Kennedy, Jr.

Environmental Activist

Robert F. Kennedy, Jr. | November 5, 2012 | Wortham Center | The Progressive For

John Kerry

Former Secretary of State, U.S. Senator, Democratic Presidential Candidate

Richard Leakey

Paleoanthropologist, Conservationist, Statesman

Richard Leakey | October 28, 2010 | Wortham Center | The Progressive Forum

Bill McKibben

Cofounder 350.org

climate-movement-leader-bill-mckibben

Nancy Pelosi

Speaker of the U. S. House of Representatives

Nancy Pelosi | June 12, 2009 | Wortham Center | The Progressive Forum