Starts off with some bummer stats, but then it turns optimistic with good stats.
Source:
Earth Day 1970 – 2017: What’s Changed?
https://youtu.be/xClCgciaSYM
The first Earth Day was in 1970. What’s changed since? Our population has doubled. We’re emitting 2.4 times more CO2. Sea levels have risen 4 inches. But the...
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