绿色中国英语说绿色中国英语说 (11).ppt

[Clean Waters and Green Mountains]3.1 Energy and Food ConsumptionGreen ChinaGreen China ObjectivesLearn about the fact that developed countries consume more energy than developing countries01Understand the trend of food supply in the world and adverse changes brought by urbanization02Realize China’s great efforts to reduce food waste and energy consumption 03 Energy consumptionDeveloped nationDeveloping nation Energy consumptionAmericans5% of the world's population 25% of its energyDeveloped countries 85% of GDP23% of populationthe largest part of mineral and fossil-fuel consumptionsignificant environmental impacts Energy consumption Energy consumptionSerious negative consequencesatmospheric carbon dioxidetrace gaseschanging global climateraising sea level Energy consumptionRapidly growing populationHow much energy each person consumes Food consumptionMost of the developed countries at the topMost of the countries in the developing world at the lower bottom Food consumptionPer capita calorie supplyincreasing steadilyvarying in different regions Food consumptionPer capita calorie supplyOceania and Europe——constantAfrica and Asia——a steady increasethe world’s calories supply——convergingmore equaldecreasing inequality Food consumptionEconomic development associated with： food supply subsequent elimination of dietary deficiency improvement of overall nutritional level production, distribution, processing, and marketing of food Food consumptionadverse change brought by urbanization：added sugars and fatshigh consumption of saturated fatsa reduction in consumption of dietary fiber and complex carbohydratesreduction in consumption of fruit and vegetablesreduction in physical activity Food consumptiondietcultural traditionsincomeindividual preference and beliefseconomicgeographicalsocialpricesenvironmental factors China’s efforts to reduce consumptionfood waste and energy consumption reductionfood securitystopping food waste China’s efforts to reduce consumptionsaving