I learned from Katharine Hayhoe that it's the highest CO2 concentration since around 15 million years. According to this article, it's 14 million years, so I stayed on the safe side:
https://news.climate.columbia.edu/2023/12/07/a-new-66-million-year-history-of-carbon-dioxide-offers-little-comfort-for-today/
Kees van der Leun /
npub163…mcmff
2024-03-04 06:20:27
in reply to nevent1q…6yvg
Author Public Key
npub163ywugm0tefe993t3czl2pxngnwtc7fjcqsq9vrurhpf3d4mr8qq0mcmffPublished at
2024-03-04 06:20:27Event JSON
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