5. According to scientists, more than
one and one-half million species
exist on the earth today. However,
recent estimates state that at least
20 times that many species
inhabit the planet.
6.
7.
8.
9. There are more than 3,500
protected areas in existence
worldwide. These areas include
parks, wildlife refuges and other
reserves. They cover a total of
nearly 2 million square miles (5
million square km), or 3% of our
total land area.
10.
11.
12. Presently there are 38 known species of
mammals that are extinct. However, of them
there are some that are kept in captivity with
scientists trying to save them from going
extinct. With global warming becoming a
major issue, 28,270 animal species of
mammals are now labeled as threatened
