Green progressives pushed for pot legalization for years. Now marijuana is posing a major 'inconvenient' threat to the climate.

Left-wing progressives have spent literally decades calling for the legalization of weed, and their efforts have seen a lot of successes. Dozens of states have legalized or decriminalized pot — and ganja has likely never been more popular than it is today. But as the popularity of cannabis has grown, so has the drug's impact on global warming, Politico reported this week in a write-up headlined, "An inconvenient truth (about weed)."-- More...