Climate Experts

6 experts across the belief spectrum

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Belief Spectrum

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Strong SkepticModerateStrong Supporter

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JH

James Hansen

100 • Advocate

Strong advocate for immediate action on climate change, emphasizing tipping points and urgency of response

Former NASA GISS Director
Columbia University Earth Institute
KH

Katharine Hayhoe

95 • Advocate

Advocates for climate action while bridging faith and science communities

Chief Scientist
The Nature Conservancy
MEM

Michael E. Mann

90 • Advocate

Strong advocate for climate science against denialism

Distinguished Professor
Penn State University
GS

Gavin Schmidt

85 • Advocate

Focuses on climate modeling and data interpretation

Director
NASA Goddard Institute for Space Studies
RPJ

Roger Pielke Jr.

50 • Moderate

Advocates for pragmatic climate policy while questioning catastrophic predictions

Professor
University of Colorado Boulder
JC

Judith Curry

45 • Moderate

Questions consensus views and emphasizes uncertainty in climate science

President
Climate Forecast Applications Network
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