Gravity Batteries, Green Hydrogen, and a Thorium Reactor for China
Cars That Think
DECEMBER 30, 2021
This article, by researchers at PARC and the University of Washington, is one possible answer. The basic idea is to add particles of sea salt to the atmosphere to brighten clouds and cool the planet. This time around, though, the emphasis is on “green hydrogen”—that is, hydrogen produced using clean energy such as solar or wind power.
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