NASA has been asked to do a lot of things in the 64 years it’s been a federal agency, and on the whole, it’s delivered the goods. Beat the Soviet Union to the moon? Check. Build a fleet of reusable space shuttles? Check. Oversee a 15-nation collaboration that built a football-field sized International Space Station? Check. But there’s one thing NASA has never been asked to do,...
Few people were thinking about a war in Ukraine when SpaceX began launching its constellation of Starlink satellites into space in 2019. The Starlink fleet, which now numbers more than 2,300, is designed to provide broadband connection to underserved parts of the world. Ever since Russia invaded Ukraine last February, the Ukrainian army has been making use of the satellites for battlefield...
Scientists today can link specific ecological disasters with a changing climate—and assert with confidence what future impacts will be.
As the value of voluntary carbon markets closes in on $2 billion, figuring out which projects are legitimate can be tricky.