The state of Florida is bigger than England!
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Mexico City is built on top of an underground resevoir!
47
Australia's Great Barrier Reef is 1,250 miles long!
45
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
The Sahara desert expands at about 1km per month.
90
Forest growth in the US has exceeded harvest since the 1940’s. Today, we have more trees than any time in the past 100 years.
14
The Amazon rainforest produces more than 20% the world's oxygen supply.
182