If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
The state of Florida is bigger than England!
74
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243