The Sahara desert expands at about 1km per month.
90
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
Australia's Great Barrier Reef is 1,250 miles long!
45
There are more than 50,000 earthquakes throughout the world every year!
47
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14