The city of Houston, Texas is built on a swamp and is slowly sinking!
89
Europe is the only continent without a desert.
62
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
Forest fires move faster uphill than downhill.
52
Check your map! Virginia extends farther west than West Virginia.
67
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 average ice berg weighs 20,000,000 tons!
54