TORNADO WATCH : A Tornado Watch issued for Logan, Phillips, Sedgwick, Washington, Cheyenne Counties in Northeast Colorado until 8 p.m.

Evan Mills

Inside a Colorado Marijuana grow facility (credit: CBS)

Marijuana Warehouses Creating Massive Energy Demand, Emissions

Growers in the medical marijuana industry are seeing large energy bills, plus criticism from some who say they need to reduce their carbon footprint.

12/03/2013