ANALYSIS: Climate Scientist Says It’s ‘Unreasonable’ to Call Climate Change an Existential Threat

MIT Professor Richard Lindzen has asserted that calling climate change an existential threat comes from propaganda.

A heat advisory sign is shown along U.S. highway 190 during a heat wave in Death Valley National Park in Death Valley, Calif., on July 16, 2023. Ronda Churchill/AFP via Getty Images

An MIT scientist has said that although the global temperature rise owing to a greenhouse effect is real, the increase is small and does not pose any existential threat.

The greenhouse effect is primarily caused by water vapor and clouds, said Richard Lindzen, professor emeritus of atmospheric sciences at Massachusetts Institute of Technology (MIT).