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.

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

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 ...

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 ...

The potential role of solar geoengineering strategies in addressing global warming is a matter of current scientific and societal debate. Some strategies could reduce the surface temperature of Earth, ...

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 ...