One cubic mile of seawater contains about 50 pounds of gold.
79
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
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
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
Forest fires move faster uphill than downhill.
52
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
The state with the longest coastline in the Continental U.S. is Michigan.
31