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 ...

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 ...

Two scientists argue that the growing commercial efforts to counter climate change by reflecting away sunlight will thwart responsible research in the field. Last week, an American-Israeli company ...

Governments and philanthropists are quietly assembling one of the most audacious climate projects yet: a roughly $75 million push to see whether humanity can cool a heating planet by reflecting a ...

Blotting out the sun might not fix climate change, but it could pause the warming process. The idea of using planes to “geoengineer” the climate by spreading sunlight-reflecting aerosols throughout ...

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 ...