There are many arguments for legalizing marijuana, but in California none may be more critical than the environmental one
Despite the hype, marijuana cultivation's contribution to the state's water crisis is negligible.
The drought-stricken state is facing further water shortages due to unregulated marijuana farms. Researchers say that needs to change — and fast.
The cable network says that reckless practices by marijuana farmers on the North Coast are hurting the regional ecology.