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More Answers from Past Speakers

Tim Flannery

Scientist, Naturalist, Author

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

Sylvia Earle

Oceanographer

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

Edward O. Wilson

Biologist, Conservationist, Theorist

Edward O. Wilson | September 27, 2006 | Wortham Center | The Progressive Forum

Anna Deavere Smith

Writer, actor, and professor

Anna Deavere Smith | May 21, 2007 | Wortham Center | The Progressive Forum

AL Gore

Nobel laureate, Environmentalist

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