The Sahara desert expands at about 1km per month.
90
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
The water of the Antarctica is so cold that nothing can rot there.
334
Every year, Alaska has about 5,000 earthquakes.
31
The average ice berg weighs 20,000,000 tons!
54
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
The Caspian Sea is also classed as the world's largest lake.
52
The city of Houston, Texas is built on a swamp and is slowly sinking!
89