Director, Center for Climate Change and Health, Public Health Institute

Strategic Communication Director, Insurance Information Institute

Senior Fellow, Urban Institute

Reporter

Author, The Quickening: Creation and Community at the Ends of the Earth

Freelance Science Journalist

Marine & Aviation Program Director, International Council on Clean Transportation

CEO, Free Range 

Research Faculty, Department of Environmental Science and Policy, UC Davis

Author, We Are the Weather: Saving the Planet Begins at Breakfast

Deputy Executive Officer, California Air Resources Board

Founder and Principal, Climate Awakening

Former Secretary of the Interior

Executive Director, Amazon Watch

Professor, Resource Economics, University of California, Berkeley

Journalist, National Geographic

Mining Program Director, Earthworks

Science Reporter, KQED

Executive Director, Tewa Women United

Co-Director, Energy & Environment, Columbia School of International & Public Affairs