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, including sulfur dioxide, nitrogen oxides, soot, and toxic metals, like mercury. These pollutants cause environmental damage like acid rain and serious health problems. Can we create a cleaner version of coal?
For three ways we might strip coal of its foul forces, view the TED-Ed Lesson How to create cleaner coal - Emma Bryce
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