Tuesday, 30 June 2015

Mankind Leaves Its Mark on Earth

Mankind Leaves Its Mark on Earth

Let's say you're an alien life form who is seeing planet Earth for the first time from a vantage point of about 440 miles from its surface. You'd see great bodies of water, mountains, forests and deserts. But dotted throughout this foreign landscape, almost like tiny pock marks, you'd see something else: Telltale signs that some other force is at work.
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