Forest fires move faster uphill than downhill.
52
The average ice berg weighs 20,000,000 tons!
54
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
More than 25% of the world's forests are in Siberia.
51
There are more than 50,000 earthquakes throughout the world every year!
47
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
The state of Florida is bigger than England!
74