Louisiana is the only state that grows in land area every year (Due to alluvial deposits from the Mississippi River).
41
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8