Peter Kalmus
American climate scientist and activist; at NASA’s JPL from 2012 to 2026; author of Being the Change.
At a glance
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- Peter Kalmus is an American climate scientist, writer and activist, born in 1974.
- Trained in physics at Harvard and Columbia, he searched for gravitational waves with LIGO before moving into climate science in 2012 at NASA’s Jet Propulsion Laboratory, where he studied clouds, severe storms, coral reefs and extreme heat.
- In June 2026 he wrote that he had been forced to resign from JPL.
- He wrote Being the Change: Live Well and Spark a Climate Revolution, founded No Fly Climate Sci, co-founded the Earth Hero app, and has taken part in climate civil disobedience, including a 2022 Scientist Rebellion protest at a JPMorgan Chase branch in Los Angeles.
- He writes the newsletter ClimateHuman.
Key facts
- Born
- 9 May 19741
- Education
- BS in physics, Harvard University (1997); PhD in physics, Columbia University (2008)1
- Earlier research
- LIGO gravitational-wave searches; postdoc at Caltech1
- NASA JPL
- 2012 to June 2026; he wrote that he was forced to resign2
- Book
- Being the Change: Live Well and Spark a Climate Revolution1
- Projects
- Founded No Fly Climate Sci; co-founded Earth Hero1
- Protest
- Locked himself to the doors of a JPMorgan Chase bank in Los Angeles on 6 April 2022, as part of Scientist Rebellion3
Links
Sources
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