The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
Check your map! Virginia extends farther west than West Virginia.
67
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
More than 25% of the world's forests are in Siberia.
51
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
The Sahara desert expands at about 1km per month.
90
The Amazon rainforest produces more than 20% the world's oxygen supply.
182