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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 .Since 1900, the U.S.has pulled enough water from underground aquifers to fill two Lake Eries.
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3 .And in just the first decade of the 21st century, we've extracted underground water sufficient to raise global sea level by more than 2 percent.
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4 .We suck up 25 cubic kilometers of buried water per year.
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5 .That's the message from the U.S.Geological Survey's evaluation of how the U.S. is managing its aquifers.
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6 .Or mismanaging.
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7 .For example: water levels in the aquifer that underlies the nation's bread basket have dropped in some places by as much as 160 feet.
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8 .The rest of the world isn't doing any better.
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9 .A conference of water scientists just issued the so-called Bonn Declaration,
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10 .which declares that this lack of foresight will cause the majority of people alive in 2050 to face "severe" freshwater shortages.
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11 .Mismanagement of water resources is a hallmark of this new human-dominated era in the Earth's geologic history, known as the Anthropocene.
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12 .Despite building, on average, one large dam every day for the last 130 years, we use more water than we store.
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13 .And we're letting that freshwater escape to the seas.
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14 .Which means we may find ourselves with water, water everywhere, but not adapt to drink.
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15 .Your minute is up, for Scientific American 60-Second Earth. I'm David Biello,
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