Forest growth in the US has exceeded harvest since the 1940’s. Today, we have more trees than any time in the past 100 years.
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The Niagara Falls moves upstream at an average rate of about 295ft a century!
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The Sahara desert expands at about 1km per month.
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The state of Florida is bigger than England!
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The average ice berg weighs 20,000,000 tons!
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There are more than 50,000 earthquakes throughout the world every year!
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Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
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