10 gut-wrenching pleas from astronauts to save planet Earth
Floating hundreds of miles above Earth, astronauts have an unparalleled and beautiful view of the planet.
But that view also lets them look down on the devastating effects of climate change, wildfires, war, pollution, and other troubling human-caused activity.
The collection of pleas is not only inspiring, but also sobering: If we don't clean up our act, and fast, we could irreversibly destroy the only home we've got .
Here are the some of the most salient quotes from the video.
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