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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?


To: Sdgla who wrote (1410380)7/14/2023 6:43:25 PM
From: Wharf Rat1 Recommendation

Recommended By
Doren

  Read Replies (1) | Respond to of 1573981
 
"he states the norm is 2000 ppm dumbass"
That would make him the dumbass.


==

Climate Milestone: Earth's CO2 Level Passes 400 ppm

nationalgeographic.org

Jun 12, 2023 — The last time the concentration of CO2 was as high as 400 ppm was probably in the Pliocene Epoch, between 2.6 million and 5.3 million years ago.