Good environment can make people feel happy and fit . To improve the environment means to improve our life. We should plant more trees and flowers around us . We shouldn’t cut them down . We should stop factories from pouring waste water into the river and waste gas into the air. Whenever we see litter on the ground , we should pick it up and throw it into dustbins. Never spit in public. Don’t draw on public walls. It’s our duty to protect the environment四年级英语环保作文：How to Protect the Environment.

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