Have you een pollution in your life? I often ee people pollute the environment, they pour wate water into river, throw rubbih, and ome people cut down a lot of tree, they have no awarene of protecting the environment. When environmental pollution i eriou, human being alo face great danger. I ugget you do more thing you can to protect our home, uch a planting tree, picking up litter, and going out for bicycle. Protecting the environment i everyone' reponibility!