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What are the slogans (short ones) for protecting the environment?

The environmental protection slogans (short) are:

1. If there are no flowers, plants and trees, can we still absorb oxygen? Let us protect the flowers, plants and trees!

2. Don’t let dust enter the campus, only let beauty come to my home.

3. Welcome green resources and send away waste gas pollution.

4. The earth is our mother, we must love and protect her.

5. Protect the water environment and save water resources.