Seeing CO2

Experts tell us that life can’t survive CO2 levels over 400 PPM, which makes train travel rough at 2,500 PPM.

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Greta Thunberg can see CO2, which must make it difficult to also see what she is eating on the train.

“My daughter can see CO2 with the naked eye” – Afrinik

About Tony Heller

Just having fun
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