The Sahara desert expands at about 1km per month.
90
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49
The average ice berg weighs 20,000,000 tons!
54
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
The water of the Antarctica is so cold that nothing can rot there.
334
Forest fires move faster uphill than downhill.
52
Mexico City is built on top of an underground resevoir!
47
Australia's Great Barrier Reef is 1,250 miles long!
45