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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 ...

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 ...

When it comes to finding solutions to climate change, there's no shortage of technologies vying for attention, from renewable energy to electric vehicles to nuclear energy. One such contender, solar ...

It's possible to start a subscale deployment in just a few years. The climate effects would be tiny, but the geopolitical impact could be significant. For half a century, climate researchers have ...

Posts from this topic will be added to your daily email digest and your homepage feed. Countries tried and failed to establish tougher ground rules for solar geoengineering. Countries tried and failed ...

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, ...

Private companies are jumping into the race to deploy particles to the atmosphere to reduce global warming, prompting enthusiasm from investors and concerns from some scientists, Josh Marcus reports ...

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 ...

The agency is being asked to strengthen a toothless rule that requires only a heads-up before experiments to modify the weather. Picture this: As a Phoenix heat wave is killing hundreds of people, an ...