No one knows exactly how many species live in the world's tropical rainforests — estimates range from 3 to 50 million species.
With a high biodiversity, this type of forest is an important part of the Earth's ecosystem.
But the area of such forests are decreasing. What's the issue? How should we protect the tropical forests? In the next post, I'll tell you my story of being in the tropical forest, explain how such type of forests act an important rule on the Earth's ecosystem, and answer your questions.