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
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
The state with the longest coastline in the Continental U.S. is Michigan.
31
More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
17
The North Atlantic gets 2.5 centimetres (1in) wider every year.
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