How to create cleaner coal – 艾瑪布萊斯

View full lesson here: http://ed.ted.com/lessons/how-to-create-cleaner-coal-emma-bryce

It takes a lot of fuel to heat our homes, preserve our food, and power our gadgets. And for 40 percent of the world, cheap, plentiful coal gets the job done. But coal also releases pollutants into the air, causing environmental damage like acid rain and serious health problems. Can we create a cleaner version of coal? Emma Bryce details the three ways we might strip coal of its foul forces.

艾瑪布萊斯的課程, animation by Artrake Studio.