✔ 最佳答案
1. Take public transports instead of private cars. [ use less fossil fuels ]
2. Choose the home appliances with energy efficiency labels.
3. Plant more trees to absord carbon dioxide.
4. Turn off the engines when the drivers are not using the cars.
5. Use less sprays.
6. Put the papers, aluminium cans and plastic bottles into the recycling bins.
7. Turn off the home appliances when you are out.
8. Use less wooden furniture.
9. Don't use plastic cups, bowls, etc.
10. Reuse the used papers.
11. Bring your own bags to supermarkets and markets.
12. Pour chemically contaminated water into the toilet, not the sink.