Companies are coming up with plans to block out the sun - Private companies are jumping into the race to deploy particles to ...

If we started geoengineering in 2020, what would temperatures look like 10 20 30 40 50 years from then? Mouse over an area for more information. If we started geoengineering in 2020, what would ...

Here’s the thing about the stratosphere, the region between six and 31 miles up in the sky: If you really wanted to, you could turn it pink. Or green. Or what have you. If you sprayed some colorant up ...

Imagine waking up one morning to discover that someone has been altering the atmosphere above your head without asking.

With CO 2 emissions continuing unabated, an increasing number of policymakers, scientists and environmentalists are considering geoengineering to avert a climate catastrophe. Such interventions could ...

Scientists aim to reclaim thousands of hectares of desert using cyanobacteria that can stabilise sand and create foundation ...

“Geoengineering” can mean a number of things, but it usually refers to the attempt to offset the rising global temperatures that result from the greenhouse effect by introducing particles in a ...

This article is part of Troubleshooting Earth: a multi-part series that explores the bold, innovative, and potentially world-changing efforts to wield technology as a weapon against climate change.

A group of British scientists had a plan for a groundbreaking geoengineering test. Working from a disused military airstrip in Norfolk, UK, they would attach a 3,000-foot hose to a helium balloon, ...

A controversial field trial of technology to mitigate climate change has been cancelled, but research continues. A robust governance framework is sorely needed to prevent further setbacks.

Blog posts represent the views of CFR fellows and staff and not those of CFR, which takes no institutional positions. The following is a guest post by Joshua Horton, research director, geoengineering, ...

The UN Environment Assembly recently considered a proposal to research solar geoengineering, as it’s known, an outlandish scheme to cool the Earth by blanketing the heavens with aerosols –chemicals ...