They war-gamed dimming the Sun. It went even worse than you think.

Solar geoengineering simulation shows what happens when geopolitics takes over.

The short version

• When it comes to deciding the fate of the planet, Colleen Golja always thought science and reason would have a seat at the table.
• That was until one morning last September in London, when the climate researcher took part in the first in a series of war games.
• The goal: to prevent an uncontrolled global race to develop a technology aimed at cooling the planet but that comes with vast, unknown risks that could reshape life on Earth.

What happened

“I thought that would be such an easy thing. Like, we can all agree to do ethical research and make sure it’s for the better of all humans,” she told WIRED.

Why it matters

“And boy, was I wrong.” The world is going to have to make decisions about how to govern this technology much sooner than most policymakers imagine, Cynthia Scharf, a former UN advisor , told WIRED.

Summary by Nerd News Network. Read the full article at Ars Technica via the links above and below.