More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
17
More than 25% of the world's forests are in Siberia.
51
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
The water of the Antarctica is so cold that nothing can rot there.
334
There are more than 50,000 earthquakes throughout the world every year!
47
The state of Florida is bigger than England!
74
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