節能就是應用技術上現實可靠、經濟上可行合理、環境和社會都可以接受的方法，有效地利用能源，提高用能裝置或工藝的`能量利用效率。這幾天正是我國的節能減排日，下面為大家送上一些節能減排的英語短語。
energy-saving節能
environment protection環保
no pollution無汙染
low carbon living低碳生活
reducing energy consumption/ saving energy節約能源
environmentally friendly 環保
using public transports 坐公共交通工具
check the Energy Efficiency Ratio when buying electric equipments 買電器時檢查能源標籤
use engery-saving light blubs 用省電的燈泡
use dimmer light 用暗一點的燈
mostly use daylight if possible 儘量用陽光
use fans instead of air-conditioning 用風扇代替冷氣
have a green life 綠色生活
節能 save energy
減排 reduce greenhouse gas emissions
降低資源消耗率 slow down the rate of resource consumption
環保產品 environment—friendly product
全球變暖 global warming
低碳經濟 low carbon economy
清潔可再生能源 clean and renewable energy sources
核能 nuclear energy
太陽能 solar energy
大功率電器 high-powered electrical appliance
reduce carbon emission and save energy energy saving and emission reduction節能減排
節能計劃 energy conservation program
節能投資 energy-saving investment
節能空間 energy saving space energy efficient space
wastebin 垃圾桶
plastic 塑料製品
environment pollution 環境汙染
environmental conservation 環境保護
environmental legislation 環境立法
environmental reform 環境改造
淨化 purification
節能 energy saving
