Peter Greenwood

Executive Director of Strategy, China Light and Power Group

Ken Grossman

Co-Founder and CEO, Sierra Nevada Brewing Co.

Dian Grueneich

Former Commissioner, California Public Utilities Commission

Maria Gunnoe

Maria Gunnoe, Community Organizer and 2009 Goldman Prize Winner

Andrew Guzman

Author, Overheated: The Human Cost of Climate Change

Mike Haas

Founder and Chairman of the Board, Alliance for Climate Education

Mary Hagedorn

Research Scientist, Smithsonian Institution/Hawaii Institute of Marine Biology

Barbara Hale

Assistant General Manager, San Francisco Public Utility Commission’s Power Enterprise

Ellen Hanak

Senior Fellow and Center Director, Public Policy Institute of California

James Hansen

Former Head, NASA Goddard Institute for Space Studies

Scott Harmon

Sustainability Advisor, Boy Scouts of America

David Hayes

Former Deputy Secretary and Chief Operating Officer, Department of the Interior

Katharine Hayhoe

Associate Professor, Public Adminsitration Program, Texas Tech University

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