Mexican cartels increase U.S. pot cultivation
80 percent of pot crop invades national parks, pubic land
WASHINGTON — Mexican drug cartels are stepping up marijuana cultivation in U.S. national parks and on other public land, endangering visitors and damaging the environment, law enforcement and National Park Service officials say.
John Walters, director of the Office of National Drug Control Policy, says 75%-80% of marijuana grown outdoors is on state or federal land. The Drug Enforcement Administration (DEA) says there were more than 4.8million marijuana-plant seizures at outdoor sites in 2006.
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