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Scientists detect a surprising shift in human blood as atmospheric CO2 rises
(www.sciencedaily.com)
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You clearly haven't been to the US.
Leaded gasoline had a big impact https://today.duke.edu/2022/03/lead-exposure-last-century-shrunk-iq-scores-half-americans
CO2 I imagine very similar lower individual impact but way more widespread.
https://youtube.com/shorts/YzA272JxLjM
Sometimes I think the discussions here are due to cognitive gap instead of ideological differences.
Sometimes they are. But at least it isn't reddit or facebook. 😆
500ppm has entered the chat
You joke but in just a few years there won't be even teachers available, soon Gen Zs will be the only workforce in Education: idiots teaching idiots.
https://www.youtube.com/watch?v=7vIVU2_Qwag