A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
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
Louisiana is the only state that grows in land area every year (Due to alluvial deposits from the Mississippi River).
41
It's still possible to see the division between East and West Germany due to different light bulbs.
5
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
Even Antarctica has an area code. It's 672.
58
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14