Rising CO2 may already be showing up in human blood — a "potentially toxic atmosphere in 50 years" - Boing Boing
Blood bicarbonate rose 7% in 20 years as CO2 in human blood tracks the rising atmosphere, a new study finds.
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By Ellsworth Toohey
Wednesday, July 22, 2026 · 12h ago
Photo: Ellsworth Toohey's photo
For most of human evolution, the air held about 300 parts per million of carbon dioxide. It has now surpassed 420 and is climbing by more than 2 ppm per year. A new open-access study in Air Quality, …Read more
