Climate-engineering research must have strong governance if it is to proceed safely, openly and responsibly 1,2. But what this means in practice is not clear. The Stratospheric Particle Injection for ...

The top scientist for the Geneva-based United Nations Environmental Programme said the organization is exploring the topic of climate engineering because “growing concerns about the lack of global ...

Two companies are aiming to preserve Arctic ice by pumping water onto the sheet and letting it freeze, but only one of the ...

So far, solar geoengineering on a global scale has only been pulled off in science fiction. We asked author Neal Stephenson ...

SpaceX, the owner-operator of the world’s largest satellite constellation, recently applied for permission to launch 1 million Starlinks—on top of the 10,000 already in orbit. Scientists have ...

A company that aims to make billions of dollars by cooling the Earth has lifted the veil of secrecy that until now has hidden its plans for preventing sunlight from overheating the planet. It hinges ...

Stratospheric aerosol injection, the idea of spraying sulfur dioxide into the upper atmosphere to cool the planet, is one of the most controversial topics in climate science, with scientists engaged ...

IN FEBRUARY 2024 an article in the Wall Street Journal revealed that Stardust Solutions, an Israeli startup, was developing tiny particles which, if lofted into the stratosphere in sufficient number, ...

It sounds like a drastic course of action: inject stuff high into Earth’s atmosphere to reflect a little sunlight and help counteract global warming. Then again, injecting a bunch of greenhouse gas ...

On a small Indonesian island in April 1815, a volcano changed the course of human history. The ‘super-colossal’ eruption of Mount Tambora was the most violent volcanic eruption ever recorded, blasting ...

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 ...

As concerns grow about how quickly the world can curb greenhouse-gas emissions, some scientists want to research an additional approach to the problem of global warming: solar geoengineering. In ...