More than 25% of the world's forests are in Siberia.
51
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
The Sahara desert expands at about 1km per month.
90
The Atlantic Ocean is saltier than the Pacific Ocean.
54
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
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