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1 .This is Scientific American 60-Second Earth. I'm Cynthia Graber.Got a minute?
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2 .There's a gold rush going on and it's affecting tropical ecosystems.
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3 .The rush is due in part to an increase in wealth in developing countries and their subsequent acquisition of gold.
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4 .Another factor is the loss of faith in financial markets since the financial crash, which prompts investors to put money into gold.
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5 .The desire for gold made its price soar from $250 dollars per ounce in 2000 to $1,300 per ounce in 2013.
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6 .To determine the impact of increased gold mining prompted by the value jump, researchers evaluated about 1,600 gold-mining sites in forested areas and tracked the changes in forest cover between 2001 and 2013.
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7 .They found an increase in deforestation of about 1,600 square kilometers.
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8 .Deforestation picked up between 2007 to 2013 that parallels the financial crisis and the rise in the price of gold.
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9 .In some areas, deforestation occurred four times as much in those latter six years as in the first six.
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10 .The study was published in the journal Environmental Research Letters.
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11 .In addition to the destruction of the forest itself, mining causes additional problems, such as air, soil and water pollution from arsenic, cyanide and mercury.
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12 .It also takes longer for forests to recover from mining than from other uses, such as agriculture.
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13 .Another casualty of the global financial crisis.
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14 .Thanks for the minute, for Scientific American 60-Second Earth. I'm Cynthia Graber.
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