2. Advocate green transportation and build a harmonious society.

Although it is driving fast, the earth is crying. Walk slowly, the earth is laughing. Car-free day, let Mother Earth smile for a day.

4. Advocate low-carbon travel and spread the concept of health.

5. Create a green school and beautify the learning environment.

6. Green transportation, energy saving and environmental protection.

7. Build a beautiful frontier and care for your home.

8, low-carbon environmental protection life, green and civilized travel.

9. Travel with low-carbon life to make the city more perfect.

Protecting the environment is the duty of every citizen.

1 1, crowded when driving outside, noise pollution, exhaust gas; Green transportation will accompany you, reduce emissions and save energy to make the air better!

12, greener, smoother, fresher and healthier all the way.

13, green travel, start from the side.

14, no vehicles, no noise and no peculiar smell. On World Car Free Day, I give you the most precious gift: "Three Nothing" brand "Environmentally Friendly Heart Powder". May you be happy every day and all the best!

15, less congestion and more freedom; Less pollution, more fresh; Less whistling, more quiet; Less haste, more health. Speak in a comfortable life, I love World Car Free Day!

16. Protect a green land and support a blue sky.

17, green travel, you and I walk together.

18, driving like a tiger, or safety first. World Car Free Day, green travel, reduce air pollution, reduce road congestion and reduce travel risks.

19, let the melody of green travel surround every healthy life.

20. Establish green schools and beautify the learning environment.