The Latest Breaking News from David Keith

Tiny devices propelled by sunlight could explore a mysterious region of Earth's atmosphere

"Being able to send something out there would enable us to take a lot more precise data than we currently can."

Space · Aug 16, 2025

Startups want to geoengineer a cooler planet. With few rules, experts see big risks

In a parking lot and on San Francisco Bay, NPR witnesses two different tests for solar geoengineering to tackle climate change. With much science unsettled, experts say regulations aren't keeping up.

WEKU · Apr 21, 2024

Should we study geoengineering a lot more?

As our planet's climate heats up, so, too, does the debate about the boldest response to it: geoengineering, or the deliberate modification of the atmosphere to combat global warming.

Bangkok Post · Apr 19, 2023

Race for Alaska's US House seat taking shape

The race for Alaska’s U.S. House seat is taking shape

The Independent UK · Jun 18, 2022

Bill Gates is funding a controversial climate fix that could save the Earth — or doom it

To its advocates, Solar Radiation Modification is cheap, easy to do, and it can be done on a global scale. Whether or not you think it is brilliant, SRM is controversial.

Inverse · Apr 21, 2022