The Amazon rainforest produces more than 20% the world's oxygen supply.
182
The Atlantic Ocean is saltier than the Pacific Ocean.
54
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14
The Sahara desert expands at about 1km per month.
90
The state of Florida is bigger than England!
74
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40