SAVING THE PLANET
作者：pelin cayvarli
1. use public transportation
2. recycle materials
2.1. glass
2.2. paper
2.3. metal
2.4. plastic
3. don't cut down the trees
4. save energy
4.1. unplug the electrical devices
4.2. turn off the lights during daylight
5. stop pollution
5.1. air pollution
5.2. water pollution etc
6. throw rubbish into the dustbin
