Geoengineering for grown-ups

We need to use every viable technique to hold the average global temperature down while we work frantically to end our emissions.

A majority of early-career climate scientists now see geoengineering as necessary and inevitable, while many senior ones are still in transition, writes Gwynne Dyer. Photograph courtesy of Pixabay

Opinion

BY GWYNNE DYER

December 16, 2025

LONDON, U.K.—A few days ago, the European Union’s Earth Observation program, Copernicus, made a special announcement at the end of its monthly report on the state of the climate. It said that the average global temperature for the past three years (2023-2025) has been 1....

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