If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
More than 25% of the world's forests are in Siberia.
51
Every year, Alaska has about 5,000 earthquakes.
31
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 longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
The names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA.
86
One cubic mile of seawater contains about 50 pounds of gold.
79