10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
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
Australia's Great Barrier Reef is 1,250 miles long!
45
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14