China's Smog As Seen From Space
We told you earlier this week about how smog choked the northeast Chinese city of Harbin, which is home to 11 million people.
Today, we get a stunning look at just how bad the problem is from an image taken by the Suomi NPP satellite on Tuesday. That murky gray you see below is all smog:
Today, as the smog has cleared, National Geographic highlights a big reason for China's terrible pollution: Coal is used to fuel 70 percent of the country's energy needs.