Reusable rockets that deliver sun-reflecting aerosols to the top of the stratosphere could cool the planet – with fewer negative side effects than lower-altitude solar geoengineering. But a fleet of ...

This is today's edition of The Download, our weekday newsletter that provides a daily dose of what's going on in the world of technology. Solar geoengineering startups are getting serious Solar ...

A Royal Society report outlines the state of the science but makes no concrete policy recommendations. Futuristic sun-reflecting technology could be effective at cooling the planet, says the United ...

Solar geoengineering, a bunch of techniques that aim to mask some effects of climate change by blocking sunlight, isn’t on the agenda for this month’s COP30, the U.N. climate conference. It ought to ...

Outside actors are increasingly looking to test speculative climate fixes such as solar geoengineering in African countries. But this potentially dangerous course of action would divert financing and ...

The west coast of North America is one area the Marine Cloud Brightening Program has considered for a 3,900-square mile solar geoengineering test. (Getty Images) A team of researchers in California ...

Injecting sun-reflecting particles into the atmosphere could lower global temperatures, but sudden changes or termination ...

Vast sums of private and public money are now chasing a once-fringe idea: deliberately reflecting a slice of sunlight back ...

We must not let geoengineering be shaped behind closed doors. Climate justice demands an inclusive approach ...