If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
More than 25% of the world's forests are in Siberia.
51
Israel's Dead Sea is 1,312 feet below sea level.
48
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
The average ice berg weighs 20,000,000 tons!
54
The Atlantic Ocean is saltier than the Pacific Ocean.
54