By doing small things like picking up the pieces of trash you encounter as you can anywhere. Positive or planting many trees to reduce the level of CO2 in the air, use public transport instead of private car use to reduce dust emissions from the transport. It's a few little things that I do and you can do to help keep the environment clean. And in my school, often with the movement to protect the environment such as: Write an essay about the environment, organized the contest to learn about environmental issues. And there is a small operation that I liked, it was a "clean-minute field" so students can clean school grounds and in school areas.
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