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 ...

Investment firms have put over $100 million into developing risky technologies that could cool the planet with unknown side effects. Venture capitalist Finn Murphy believes world leaders could soon ...

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 ...

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 ...

A Small Oil Company Polluted Midland’s Water Reserve. The Cleanup Has Dragged on for Years. Decades-Old Rule that Allowed Logging on Vast Swaths of US Land Ruled Unlawful by Oregon Court Half of ...

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 ...

“Plan C for Civilization” takes stock of the amateurs and experts who see promise in using technology to cool the Earth. Two geoengineering projects unfold side by side. Both involve a futuristic ...

Imagine waking up one morning to discover that someone has been altering the atmosphere above your head without asking. Sounds like science fiction, right? Yet this is precisely the conversation ...