In a partnership with the U.S. Geological Survey, NASA, and Time, Google pieced together more than 25 years’ worth of images from the Landsat satellites.
We Need to Talk About Your Ad Blocker
Slate relies on advertising to support our journalism. If you value our work, please disable your ad blocker.
Enable Ads on SlateWant to Block Ads But Still Support Slate?
By joining Slate Plus you support our work and get exclusive content. And you'll never see this message again.
Join Slate Plus