Tropical forests have provided us with many kinds of food, medicine and industry. They also reduce flood, keep water clean and slow down the Greenhouse Effect. However, thể tropical forests are being destroyed to make for farm and fields. Besides that, forests fires are the most terrible destruction. About 20 million hectares of forests which are in danger.....It's time for the govemments to think about the forests and their importance. Furthermore, people should plant more trees to prevent the Greenhouse Effect. 1. Tropical forests are important to man in many ways. _________ 2. Farms, fields are the causes of the loss of forests. _________ 3. Fires destroy about 20 million hectares of forests. _________ 4. Everyone must work together to protect and save forests. _________