Vast sums of private and public money are now chasing a once-fringe idea: deliberately reflecting a slice of sunlight back ...

We must not let geoengineering be shaped behind closed doors. Climate justice demands an inclusive approach ...

In order to stay below 1.5°C of warming and thus mitigate the worst effects of climate change, the International Renewable Energy Agency estimates that countries will need to collectively invest $35 ...

Solar geoengineering research is advancing fast after a recent flurry of funding announcements. Yet these technologies are still speculative and have many critics, and we worry their concerns won’t be ...

SALT LAKE CITY — You can see them in the sky, the airplanes carrying customers or cargo. But maybe these planes are doing something else: spraying chemicals to bounce the heat of the sun back into the ...

Over the Northern Hemisphere’s summer, the world’s temperatures hovered near 1.5° C above pre-industrial temperatures, and the catastrophic weather events that ensued provided a preview of what might ...

Reusable rockets that deliver sun-reflecting aerosols to the top of the stratosphere could cool the planet – with fewer negative side effects than lower-altitude solar geoengineering. But a fleet of ...

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 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 ...