RT @ChrisMartzWX: Yeah, at levels exceeding 30,000 ppm.
The highest the atmospheric level has been in the last 600 million years is 7,000…
— Mɐɹɹǝu Wʎǝɹs (@warrenmyers)
Feb 19, 2026
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February 19, 2026 at 02:37PM
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