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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 .Just 25 countries hold almost all of the world's undisturbed forests.
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3 .More than half of that forest is in Australia, Canada, New Zealand, Russia and the U.S.
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4 .And only 22 percent of forestland worldwide is protected.
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5 .Those figures are from a new analysis in the journal Conservation Letters.
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6 .So what could be done to save the 13 million plus square kilometers of untouched forests?
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7 .After all, they're home to more than half of the world's plants and animals and provide necessities like clean air and clean water for us humans.
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8 .But they're under serious threat, whether from logging, mining or farming.
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9 .Such land use change is why only 3 percent of the forest that existed in the past still remains in the temperate parts of the globe.
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10 .One suggestion for preservation is to make forests a part of international environmental negotiations, like the United Nations Framework Convention on Climate Change has tried to do.
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11 .The goods and services forests provide should be incorporated into economic assessments as well, not just the value of their board feet of lumber.
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12 .And the world's governments should avoid further forest losses, to slow climate change and the current rate of extinction.
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13 .And here's another thought: forests that are owned by the communities that actually live in them tend not to be cut down.
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14 .So local ownership could help forests survive.
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15 .Your minute is up, for Scientific American 60-Second Earth. I'm David Biello.
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