No more guessing games, no more “our emissions are probably okay.” The numbers don’t lie, and coal plants are not looking so good. America Tops the Naughty ListNew satellite maps show the 10 biggest CO₂ super-emitters, and they’re all coal plants from the U.S. Colstrip, Montana. carbonmapper.org carbonmapper.org loading...Why Colstrip Made the CutSatellites are watching the plumes flowing out of that plant and putting it on blast for all to see. Getty Images Getty Images loading...Montana on the Map (For Better or Worse)We’re used to Montana appearing on lists of best fly-fishing or most beautiful drives.