Ask Umbra
Grist’s destination for advice on life during climate change. Est. 2002
Past Umbra
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Umbra on chemtrails
I’m interested in learning more about Chemtrails. I understand that they are spread in the sky by jets using aluminum particles and that they are used to create cooler weather to slow down global warming. However, people are suffering from health problems as a result of this spraying action. If you have more information on […]