Atmospheric CO2 has passed 430 parts per million.
The last time atmospheric CO2 was at 430 ppm was during the ancient Pliocene Era, three to five million years ago, and humans didn’t exist.
Atmospheric CO2 has passed 430 parts per million.
The last time atmospheric CO2 was at 430 ppm was during the ancient Pliocene Era, three to five million years ago, and humans didn’t exist.
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