...legal and illegal cannabis growers use about 1 percent of all American energy. That’s more than cryptocurrency mining or all other crops combined.
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The industry’s greenhouse pollution warms the planet about as much as 10 million cars do.
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Most of the industry’s sky-high emissions comes from indoor farms, which grow two-thirds of U.S. cannabis under artificial lights, air conditioning and irrigation. There’s an obvious solution here: Mills estimates the industry could cut three-quarters of its emissions by growing outdoors, where sunlight and rain are free.

Interesting. Something should be done. We need the energy for AI. /snark