“The regulatory board overseeing marijuana legalization in Washington State is leaning toward allowing licensed growers to raise the drug outdoors, citing the much higher carbon footprint of indoor and greenhouse cultivation, board members said. The shift on cultivation rules underscores the degree to which the Washington State board is taking public feedback to heart, Chairwoman Sharon Foster said, and comes after the Seattle Times cited a 2012 study published in the journal Energy Policy saying that a kilogram of cannabis grown indoors requires the same amount of energy as 11 cross-country car trips.”
