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Growing cannabis indoors produces a lot of greenhouse gases - just how much depends on where its grown
The lights used to grow weed indoors use a lot of electricity, but facilities require a lot of energy to maintain a comfortable environment for the plants.
This accounts for 11% to 25% of facilities’ greenhouse gas emissions.
All of these inputs contribute to greenhouse gas emissions, a lot more in some regions than others.
What still isn’t knownThe cannabis industry is so new that researchers don’t even know how much is grown indoors.
However, researchers don’t know the greenhouse gas emissions associated with these growth methods either.