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

Investment firms have put over $100 million into developing risky technologies that could cool the planet with unknown side ...

On a special episode (first released on May 23, 2024) of The Excerpt podcast: As the world warms and aspirations to reach net-zero carbon emissions slide further and further away, climate scientists ...

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

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 ...

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 ...

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 ...

Desperate times call for desperate measures. In recent years and in the face of unprecedented changes in the climate system, some previously unknown and risky solutions have been proposed to put a ...

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, ...

A Sept. 9 Instagram video (direct link, archive link) features a weather forecast map showing a storm off the East Coast of the U.S. "Category 5 Hurricane Lee," narrates a man over the video. "It is a ...

While humans have unintentionally been altering Earth's climate for centuries, some scientists have begun to study how to intentionally hack the globe to cool the overheated planet. He reminds us that ...

As with other technologies, the risks of solar geoengineering cannot be sensibly evaluated without a scenario for goals and governance. Solar geoengineering, also called solar climate intervention, is ...