Scale of Earth Time
The Earth is 4.6 billion years old. Let's scale that to 46 years. We have been here for 4 hours. Our industrial revolution began 1 minute ago. In that time, we have destroyed 50% of the world's forests. This isn't sustainable." #EarthDay
Published on Nov 13, 2017
Life. It's the one thing that, so far, makes Earth unique among the thousands of other planets we've discovered. Since the fall of 1997, NASA satellites have continuously and globally observed all plant life at the surface of the land and ocean.
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