The Machines That Could Darken the Sun to Stop Climate Change

Climate change is an increasingly dangerous antagonist, and we’re not doing a great job curtailing it. Which is why, in the not too distant future, we may have to undertake a new, Manhattan Project-style endeavor to hold back the rising mercury. Once a fringe idea, there’s now a growing possibility we’ll build…

Why the Scariest Response to Climate Change Is Finally Being Taken Seriously

We’re not doing such a great job solving the whole climate change problem, which is why some experts think it’s time to study more radical tactics. The notion of geoengineering—hacking the climate to cool the planet—is controversial, awe-inspiring, and to many, terrifying. And yet, despite their own grave concerns…

Dusting the Sky With Diamond is the Latest Crazy Scheme to Cool the Planet

Geoengineering — hacking Earth’s climate system to reverse global warming — often sounds a bit preposterous, whether we’re talking about deploying giant space mirrors or dumping a bunch of iron filings into the ocean. The latest proposal? Dusting the stratosphere with billions of dollars worth of powdered diamond.