Mexico City is built on top of an underground resevoir!
47
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
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
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
The average ice berg weighs 20,000,000 tons!
54