Emerging contamination problem from pesticides
used in illegal cannabis production in California
The legalisation of cannabis in California has done almost nothing to halt illegal marijuana growing by Mexican drug cartels, which are laying bare large swaths 
of national forest in California, poisoning wildlife, and siphoning precious water out of creeks and rivers. Read more at: https://www.sfchronicle.com/green/articl ...
Posted: 03/06/2018 By: Professor Paul Bardos