今年6月5日世界环境日的主题是倡导“低碳生活”，老师就“节能减排”问题组织了一场主题讨论：日常生活中，我们能为保护环境、减少污染做些什么？请用英语写一篇不少于80词的短文，谈谈自己的想法。
参考词汇：discussion, protect the environment, be caused by, ordinary people, instead of driving cars, use plastic bags, cut down on, recycle, natural food, save energy, reduce pollutions
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参考答案
Our class had a discussion about protecting the environment. Here is my opinion. I think the environment is one of our biggest worries. It was found out that a lot of air pollution is actually caused by ordinary people, not just by big factories. There are so many things each one of us can do every day. It's best for people to take buses or walk instead of driving cars. We should stop to use plastic bags for shopping. We can cut down on waste, recycle trash and eat more natural food. In these ways we can save energy and reduce pollutions.