The Amazon rainforest produces more than 20% the world's oxygen supply.
182
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
The average ice berg weighs 20,000,000 tons!
54
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
It's still possible to see the division between East and West Germany due to different light bulbs.
5
More than 25% of the world's forests are in Siberia.
51
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181