More than 25% of the world's forests are in Siberia.
51
Forest growth in the US has exceeded harvest since the 1940’s. Today, we have more trees than any time in the past 100 years.
14
Every year, Alaska has about 5,000 earthquakes.
31
In 1850, only 8% of the people in California were women.
0
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
The Caspian Sea is also classed as the world's largest lake.
52
