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Delhi’s smog problem can’t be fixed from Space
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By David FicklingLaunched around the turn of the millennium, NASA’s Terra and Aqua satellites have served as workhorses of climate observation for decades.From 700 kilometers (435 miles) above Earth, they track clouds, algae, forests, smoke plumes and fires, producing some of the most iconic images ever captured from orbit: Hurricane Katrina barreling toward New Orleans, Saharan sandstorms blotting out the Atlantic Ocean, and the “ blue marble” image of our planet familiar from early iPhone scre
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