A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
More than 25% of the world's forests are in Siberia.
51
Forest fires move faster uphill than downhill.
52
Australia's Great Barrier Reef is 1,250 miles long!
45
There are more than 50,000 earthquakes throughout the world every year!
47
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175