Greenhouse gas emissions from the legal marijuana industry have climbed so quickly in recent years that they now equal that of about 10 million cars, according to a newly published study into the energy and emissions of cannabis production. A switch from indoor to outdoor grows, however, could lessen that environmental impact by lowering emissions as much as 76 percent. That’s … [Read more...] about Shift To Outdoor Marijuana Cultivation Could Cut Industry Emissions By Up To 76%, Study Finds