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
Forest fires move faster uphill than downhill.
52
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
Every year, Alaska has about 5,000 earthquakes.
31
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243