保护环境是每个人的责任和义务。以下是一些关于环境保护的英语句子，您可以用它们来提醒他人或自己关注环境保护：
1. Protecting the environment is everyone's responsibility.
2. We should take many measures to stop pollution.
3. The most important question in the world today is pollution.
4. Save the earth, our only home.
5. We are using up our natural resources and polluting our environment with dangerous chemicals.
6. If everyone could make a big contribution to environmental protection, our home will become much more beautiful.
7. Save water, please.
8. Care for plants, please.
9. Keep off the grass.
10. Planting trees is a great way to help the environment.
请记住，保护环境不仅是为了我们自己，也是为了我们的后代和地球上的所有生物。