The average ice berg weighs 20,000,000 tons!
54
There are more than 50,000 earthquakes throughout the world every year!
47
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
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.
14
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
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