What else can you do to protect the Earth?

问题描述:

What else can you do to protect the Earth?
Please speak english!Write two ways or more.Thank you!

1.to save engry by switching off all the electronic application after use such as using your computer when you need it otherwse just switch off it but don't allow it to be switched over nights2.to use te public transportation more than your private car,it can help to save engry and also to avoid producing traffic congestion 查看原帖>>