Several studies suggest marijuana use may help reduce risk factors for diabetes.
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Plenty of pot-smokers have an eco-friendly, back-to-nature aesthetic, but the stuff they smoke may not be so green, according to the Seattle Times.
The bad news comes courtesy an April 2011 report by a scientist at Lawrence Berkeley National Laboratory. Here are the numbers: Growing enough marijuana for a single joint indoors produces 2 pounds of carbon dioxide, the same as running a 100-watt light bulb for 17 hours. Producing 2.2 pounds (1 kilogram) of Mary Jane is no different than driving across the country five times in a car that gets 44 miles to the gallon, at least as far as carbon emissions are concerned. Of course, growing marijuana outdoors in natural sunlight would sidestep these issues — perhaps famously sunny Colorado, which recently legalized recreational pot, can run that energy experiment.