pliocene
Humans May Reverse a 50 Million Year Climate Trend After Just Two Centuries
50 million years ago, the world started cooling. The industrial revolution marked the beginning of the end of this climate trend.
The Oldest Stone Tools Predate Homo Sapiens by Millions of Years
At 3.3 million years old, they predate the next oldest tools by a whopping 700,000 years.
There Hasn’t Been This Much Carbon in the Atmosphere for Millions of Years
So what did the climate look like back then?
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