Washington Post

Instead of releasing this greenhouse gas, beer brewers are selling it to pot growers

Kenyon Fredericks, foreground, and Ben Osborn move plants at the Clinic grow facility in Denver on Feb. 6, 2020. Foto: Photo for The Washington Post by Matthew Staver

DENVER - The state of Colorado and three small businesses are trying a novel approach to reduce carbon emissions that sounds like something out of the fever dreams of Willie Nelson: using carbon dioxide produced from beer brewing to help marijuana plants grow...

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