The U.S. has caused the most global warming. When will China pass it?
Briefly

Warning: This graphic requires JavaScript.Please enable JavaScript for the best experience.March 1 at 7:00 a.m.For thousands of years, we made things with our hands.But in the mid-1700s, people in Britain began to make things with machines that ran on fuels which, when burned, released an invisible gas called carbon dioxide - not much at first, but that would change.
Read at Washington Post
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