保护
Bao3hu4 to protect. To safeguard
节约
Jie2yue1 to economize. To save. To conserve
能源
Neng2yuan2 energy. Energy source
爬山
Pa2 shan1 to hike in the mountains. To climb a mountain
有益
You3yi4 beneficial. Useful
于
Yu2 towards. In. On. At (indicating comparison)
段
Duan4 measure word for section. Segment. Or part
推
Tui1 to push or to shove
空气
Kong1qi4 air. Atmosphere
雾霾
Wu4mai2 smog
回收
Hui2shou1 to recycle
筒
Tong3 thick tube-shaped container
扔
Reng1 to throw. To toss. To throw away
瓶装水
Ping2zhuang1shui3 bottled water
地球
Di4qiu2 the earth. The globe
亮
Liang4 bright. Light
太阳
Tai4yang2 sun
太阳能
Tai4yang2neng2 solar energy. Solar power
板
Ban3 board. Plank. Panel
发电
Fa1dian4 to generate electricity
国家
Guo2jia1 country. Nation
危机
Wei1ji1 crisis
风
Feng1 wind
石油
Shi2you2 petroleum. Oil