Ecotourism is a form of 1)e friendly tourism. Its purpose is for people to visit 2)u areas that are usually 3) p . It has some 4) p and 5) n effects on people and the environment. Many companies which run eco-tourim trips usually make 6) p most, while local people earn very little money. Even though money spent directly on the local economy helps to protect the 7) r , natural 8) r are gradually destroyed. Pollution of the 9) e is a major problem when waste is not 10) m carefully.