Every year, Alaska has about 5,000 earthquakes.
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There's a lake under Antarctica that is 25 million years old called Lake Vostok.
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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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If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
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The average ice berg weighs 20,000,000 tons!
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Check your map! Virginia extends farther west than West Virginia.
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