2. # Always turn off the light when you leave a room Remember to switch off the lights when you leave a room over five minutes. During daytime, we can use the sunlight rather than lights. This is a green practice for saving energy.

3. # Brush your teeth with the water turned off We can only get 1% drinking water from the Earth, as most of them is sea water. So, please remember to turn off the water tap when you brush your teeth.

4. # Create art from trash A lot of trash are produced in Macau. We should try to brainstorm and think of ways to reuse the trash and decorate our environment.

5. # Drink from reusable beverage containers We are destroying the Earth when we use a plastic bottle or cup. We should use reusable beverage containers in order to reduce waste.

6. # E-mails / e-cards save papers Nowadays, people love communicating through internet. Sending Christmas cards or birthday cards always cause a lot of waste. We’d better start to change the traditions. Let’s start to send e-cards to your friends and family members.

7. # Food waste can be used as fertilizers Food waste is a kind of household waste. During the festivals, a lot of food waste is produced. We have to reduce food waste and recycle it. Sometimes, the leftover food can be reheated again for eating. And food waste can be used as fertilizers.

8. # Grow plants or gardening Plants can absorb the carbon dioxide in the air, and photosynthesis can release oxygen, which benefits us a lot. We should build up a habit of gardening.

9. # Help using renewable energy resources Natural resources such as oil, coal and mineral take a long time to form. The extraction of these natural resources is at an alarming rate as the demand for them increases. Some of these natural resources would run out in the future. So, we can use renewable energy resources such as solar power, wind power, hydroelectric power, etc., as alternative fuel instead of oil and coal.