Can Billionaires Really Blot Out The Sun? Truth About Solar Geoengineering

This fall, Florida faced back-to-back hurricanes, and with those storms came a flood of wild conspiracy theories on social media. One of the craziest claims? That the U.S. government was manipulating the weather to target specific areas based on politics. While this is completely false, there are indeed people working quietly on technology that can influence the weather—though we’re nowhere near controlling hurricanes.

The Quest to Cool the Planet

A growing number of tech founders and investors from Silicon Valley are funding research aimed at blocking sunlight. This idea involves spraying tiny reflective particles high in the atmosphere or brightening clouds to quickly cool the Earth. With temperatures soaring higher than ever and greenhouse gas emissions not decreasing, these innovators believe dimming the sun could be a cheap way to combat climate change.

Source: Wake Smith (2020), The Cost of Stratospheric Aerosol Injection Through 2100

Andrew Lockley, a researcher...

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