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1 .This is Scientific American 60-Second Earth. I'm David Biello. Your minute begins now.
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2 .China burns a lot of coal.
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3 .That means the country digs up a lot of coal.
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4 .But in 2014, for the first time in the 21st century, China's coal habit shrank.
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5 .The country dug up 3.7 billion metric tons of the dirty black rock in 2013.
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6 .But last year that figure appears to have dropped to 3.5 billion metric tons.
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7 .And coal imports fell by more than 10 percent.
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8 .These developments are part of the country's new effort against pollution,
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9 .which includes the cutback on coal burning to help reduce choking soot and smog in China's major cities.
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10 .But the trend is also thanks to a slowdown in economic growth, including lower demand for steel for the first time in decades, which in turn lessens the need for coal to fire up the furnaces.
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11 .It remains too early to tell if this cutback in coal mining is a blip or evidence for the much-anticipated peak in the country's consumption of the most polluting fossil fuel.
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12 .But it's a good sign that China is on track to restrain global warming pollution in the next decade or so, as agreed under a lauded deal with the United States, the world's second largest polluter.
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13 .The U.S.has seen its coal habit shrink too, thanks to increased use of natural gas.
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14 .If the world's top two polluting nations can permanently cut coal, that's good news for a heating planet and billions of pairs of lungs.
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15 .Your minute is up, for Scientific American 60-Second Earth. I'm David Biello.
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