The Colorado Department of Public Health and Environment (CDPHE) released new data yesterday showing that teen marijuana use has continued to decrease post legalization. The newly released data shows that from 2011 to 2013 the rate of current marijuana use among Colorado high school students has decreased from 22 percent to 20 percent; During the same time, CDC data shows that national teen marijuana usage remained virtually unchanged. The survey also shows that lifetime use by high school students has declined from 39 percent to 37 percent during the same two years. Michael Elliott, Executive Director of the the Marijuana Industry Group, says the industry will continue to remain vigilant in encouraging responsible use and preventing underage use. To see the Department of Health’s report, click here.