Unit 3 Let’s live a low-carbon life ?We?are?the?earth?mother?has?become?so What can we do to protect the environment? go to school go to work Planting more trees. Stop using plastic bags. Don’t litter. Keep the lawn clean and tidy. on foot by bus by bike Save water. Be friendly to animals. What is a low- carbon life? Low carbon life means life work and rest place cost when the energy to try to reduce. Thereby reducing carbon. 何为低碳生活？“低碳生活”（low-carbon life）就是指作息时所耗用的能量要尽量减少，从而低碳。特别是二氧化碳的排放量，从而减少对大气的污染，减缓生态恶化，主要是从节电、节气、和回收三个环节来改变生活细节。 Global warming全球暖化 Greenhouse effect温室效应 Why do we live a low carbon life? Why do we live a low carbon life? “碳足迹”“Carbon Footprint”，它标示一个人或者团体的“碳耗用量”。它是一种测量某个国家、地区、公司、家庭或个人每日消耗能源而产生的二氧化碳排放对环境影响的指标。. “碳足迹”的计算方法 你每使用100度电，就相当于你排放了大约78.5千克二氧化碳； 你每使用100立方米天燃气，就相当于你排放了19千克的二氧化碳： 你使用1000千克的自来水，就相当于你排放了91千克的二氧化碳。 {5C22544A-7EE6-4342-B048-85BDC9FD1C3A}“碳足迹”调查 你使用？电、天燃气、水，相当于你排放了？千克二氧化碳 1 Day Home School Electricity电 10℃ 7.85kg 500℃ 392kg Natural gas 天燃气 0.1m3 0.19kg 10m3 1.9kg Water自来水 10kg 0.091kg 300kg 27.3kg Cost合计 8.131kg 421.2kg 你每使用100度电，就相当于你排放了大约78.5千克二氧化碳； 你每使用100立方米天燃气，就相当于你排放了19千克的二氧化碳： 你使用1000千克的自来水，就相当于你排放了91千克的二氧化碳。 How to live a low – carbon life? Green travel save protect On foot By bike By car By bus By subway By plane How to live a low-carbon? Save energy Save paper Save electricity Save water Reuse paper Write on both sides. Use recycled paper Read e-books, make e-card. Don’t leave the water running when we’re brushing teeth. Remember to turn off the when you aren’t watching. computer TV light Wash clothes Wash dishes Electric fan Don’thave a one –time cup. Take more shower and take less baths Thank?you
