4 June 2024

Washington Post: "Could spraying sea salt into the clouds cool the planet?"

By Nicolás Rivero

“Frankly, it was about as innocuous an experiment as one can do,” said Gernot Wagner, a climate economist at Columbia Business School who wrote a book on planet-cooling technologies, “Geoengineering: the Gamble,” and is not involved in the study.

Quoted in: "Could spraying sea salt into the clouds cool the planet?" by Nicolás Rivero, Washington Post (4 June 2024).

Early Investment in Decarbonization Can Help Save Trillions in Climate Costs

A net-zero world by 2100 is likely inevitable, but the next decade will be critical for securing a livable future.

10 Sep 25

Getting to Greener Steel

Coalbed methane is an underappreciated problem of global steel production. While cutting methane emissions in the steel supply chain will not produce green steel overnight, it could reduce the sector’s emissions by the equivalent of a billion tons of carbon annually, and at little cost.

25 Sep 25

Engineering and logistical concerns add practical limitations to stratospheric aerosol injection strategies

by Miranda Hack, V. Faye McNeill, Dan Steingart, and Gernot Wagner

21 Oct 25