One of the difficulties of geoengineering is that in theory a single entity, like a startup company, could make decisions that have a widespread effect on the planet. And in the last few years, we’ve ...

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

Could blocking the sun help reverse climate change? Scientists say maybe, thanks to solar geoengineering. The emerging solution is designed to cool the Earth and prevent catastrophic warming. Despite ...

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 ...

Picture this: As a Phoenix heat wave is killing hundreds of people, an entrepreneur approaches the city’s mayor with an extraordinary offer. The company will spray enough aerosols into the sky to ...

When US startup Make Sunsets released two weather balloons into the skies above Mexico’s Baja California peninsula last year, it kicked up a fierce debate about one of the world’s most controversial ...

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 ...

While governments and companies grapple with ways to reduce carbon emissions, there’s growing interest in geoengineering as a way of mitigating rising temperatures. One possible method: stratospheric ...

OP-ED. As start-ups race to become the first to market with solar geoengineering, these technologies must undergo independent ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. James W. Hurrell, Professor and Scott Presidential ...