California startup Reflect Orbital plans to launch thousands of satellites with mirrors to redirect sunlight to solar farms at night. Astronomers warn the bright reflected light could be “ruinous” to ...

Reflecting a small fraction of incoming sunlight to reduce global heating is not a new idea. It is time to safely experiment ...

From suffocating heat in India to rampaging wildfires in New Mexico, the planet is sending us a message: the long-dreaded climate emergency is now. The world is poised to blow past the Paris Agreement ...

“For too long, the topic of sunlight reflection has been a third rail of climate change discourse, limiting both basic research and diplomatic discussion. That situation is starting to change as the ...