What does it mean by living green or going green? Please list as many measures as possible. Helpful Expressions 使用节能灯泡 use energy efficient light bulbs 临睡前关掉开关 switch off before going to sleep 停止使用一次性购物袋 stop using throw-away shopping bags 使用可再生能源,比如太阳能 use renewable energy such as solar power 选择步行、骑自行车或乘公交车/地铁 choose to walk, ride a bike, or take a bus / subway