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  • RESEARCH HIGHLIGHT

Cannabis: it’s a climate gas

Weed production in the United States puffs out heat-trapping emissions.
Flowering marijuana plants grow at the LivWell Enlightened Health cultivation facility

Moving marijuana farms outdoors could nip their greenhouse-gas emissions in the bud. Credit: Helen H. Richardson/MediaNews Group/The Denver Post/Getty

Using weed recreationally might change the climate inside your head. But cannabis production is generating large amounts of gases that heat up Earth’s physical climate.

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Nature 591, 349 (2021)

doi: https://doi.org/10.1038/d41586-021-00587-x

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