回收
回收塑料
What is plastic recycling?
节约用水
What is conserving water?
每年种植三到五棵树
What is plant 3-5 trees?
地球
What is earth?
废气
What is exhaust gas?
回收玻璃
What is glass recycling?
打开水龙头
What is turning off the faucet?
植树
What is tree planting?
天空
What is sky?
尾气
What is car exhaust?
回收铝
关灯
What is turn off the lights?
带上自己的购物袋
What is bring your own shopping bag?
土地
What is land?
雾霾
What is smog?
瓶回收
What is bottle recycling?
使用更少的电力
把口香糖放在垃圾桶里
What is put your gum in the trash?
森林
What is forest?
空气污染
What is air pollution?
回收电池
节省纸张
What is save paper?
种花
What is grow flowers?
空气
What is air?
水污染
What is water pollution?