AdvertisementPlastic Has A Big Carbon Footprint — But That Isn't The Whole Story04:53Download AudioResumeJuly 09, 2019Christopher JoycefacebookEmailBy one estimate, emissions from producing and incinerating plastics could amount to 56 gigatons of carbon — almost 50 times the annual emissions of all of the coal power plants in the U.S. — between now and 2050. (Koji Sasahara/AP)