There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
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
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
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
The water between India and Sri Lanka is only 3-30 feet deep and was purportedly passable on foot until 1480 AD when a cyclone moved some sand around.
1
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61