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
The Atlantic Ocean is saltier than the Pacific Ocean.
54
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
Australia's Great Barrier Reef is 1,250 miles long!
45
The state of Florida is bigger than England!
74
One cubic mile of seawater contains about 50 pounds of gold.
79
The average ice berg weighs 20,000,000 tons!
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