The Amazon rainforest produces more than 20% the world's oxygen supply.
182
Forest fires move faster uphill than downhill.
52
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 state of Florida is bigger than England!
74
The average ice berg weighs 20,000,000 tons!
54
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
There are approximately three chickens for every human on Earth.
13
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