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1、六盘水师范学院10 级化工班主讲:陆儒锦Global WarmingI.What Causes Global Warmingwere beginning to seeWhat is really causing the global warming and effects of global warming worldwide是什么原因导致全球变暖什么是真正导致全球变暖和全球变暖所带来的影响我们开始看到世界Effects of Global WarmingSerious Effects of Global Warming Already Have Begun, says effects of
2、global warming in the 21st century and beyond are expected to be disastrous,according to ofa scientificreport issuedon April 6, 2007 by the world s leading panel of climate change scientists. And many of those changes are already under way. no person on Earth will escape its consequences. The effect
3、s of global warming will be felt in every region and at all levels of society. therefore, in some sense, this does become a global responsibility.全球变暖的严重影响.气委会表示,全球变暖这样严重的影响已开始.在21世纪及以后的全球变暖的影响,预计 将是灾难性的,根据2007年4月6日气候变化的科学家小组发出的全球领先的科学总结报告, 许多这些变化已在进行之中.全球变暖的影响是在每一个地区和社会各级,地球上没有任何人 能逃脱它的后果.因此,在某种意义上
4、,这成为一个全球性的责任.of the report include:Projected climate change is likely to affect millions of people.Heat waves , floods, storms,fires and droughts will cause increased death, disease and other harm. Global warming is also expected to lead to more deaths due to malnutrition, diseases that cause diarrh
5、ea, cardio-respiratory diseases related to higher concentrations ofground-level ozone , and wider distribution of diseasescarried by insects, rodents, etc.报告结果,包括:预测的气候变化可能影响到千百万人谁已经很脆弱.热浪,暴雨,洪水,火灾和干旱将导 致增加的死亡,疾病和其他危害.全球变暖也将导致更多的死亡是由于营养不良,疾病引起的 腹泻,心肺疾病相关的高浓度的地面臭氧,和更广泛的分布,由昆虫传播的疾病,啮齿动物,Millions more
6、people are projected to be at risk from coastal flooding due to sea level rise, especially in densely populated and low-lying settlements that already face other challenges, such a s hurricanes and tropical storms .由于海平面上升数百万人预计在危险的沿海洪水中,尤其是在人口密集和低洼区已经面临 的其他挑战,如飓风和热带风暴.Approximately 20-30 percent of
7、 plant and animal species assessed so far are likely to be at higher risk of extinction if increases in global average temperature exceed degrees Celsius. The global average temperature already has increased by about degrees Celsius over pre-industrial levels.约有20 - 30%的植物和动物物种评估迄今可能是更高的灭绝风险增加全球平均温度
8、超过-摄氏度.全球平均温度已经上升了约摄氏度超过工业化前水平.In the course of the current century, water supplies stored in glaciers and snow cover are projected to decline, reducing water availability in regions supplied by meltwater from major mountainranges, where more than one-sixth of the world population currently lives. F
9、or example, glacial retreat in the Himalayas will disrupt downstream water supplies, which will have implications for billionsof people across India, China, Nepal and Bhutan.当然在目前的世纪,水上用品存放在冰川与积雪,预计将下降,减少水供给的地区所提供 的融水主要山脉,那里有超过六分之一的世界人口目前生活.例如,冰川退缩在喜马拉雅山脉 会破坏下游的水供给,这将影响数以亿计的人在印度,中国,尼泊尔和不丹.By 2021, 7
10、5-250 million people in Africa will be exposed to water scarcity due to climatechange.During the same period, yields from rain-fed agriculture in some African countries couldbe reduced by 50 percent.Latin America faces a risk of significant biodiversity loss by mid-century as increasesin temperature
11、 and associated decreases in soil water lead to gradual replacement of tropical forest with savanna in parts of theAmazon region .到2021年,75-250百万非洲人民将面临水资源短缺是由于气候变化.在同一时期,在一些非洲国家的雨养农业的产量,可以减少50%.拉丁美洲面临着在温度升高,土壤水分导致局部亚马孙地区的热带稀树草原与热带雨林逐 渐取代跌幅世纪中叶显着的生物多样性损失的风险.Action is Needed to Reduce Global WarmingR
12、ising global temperatures may bring some temporary benefits, according to the report, most notably increased food production due to more rainfall and longer growing seasons at mid-to-high latitudes and fewer deaths associated with cold weather. But scientists expect these short-term benefits to be o
13、utweighed by increase d drought , flooding, water scarcity and hunger in other regions as well as more death and disease worldwide.迫切需要采取行动,减少全球变暖全球气温上升可能带来一些暂时的利益,据报道,最值得注意的是增加粮食生产由于更多 的降雨和较长的生长季节在高纬度和更少的死亡与冷天气.但科学家希望这些短期利益是压倒 了更多的干旱,洪水,水资源短缺和饥饿在其他地区以及更多的死亡和疾病.It is now clear that we are to blame f
14、or the last 50 years of warming, and this is alreadycausing adverse changes to our planet, said Catherine P earce, climate campaigner for Friends ofthe Earth International. Unless we take action to reduce emissions now, far worse is yet to come, condemning millions in the poorest parts of the world
15、to loss of lives,livelihoods and homes. Climatechange is no longer just an environmental issue. It is a looming humanitarian catastrophe, threatening ultimately our global security and survival.现在很清楚,我们都归咎於过去50年气候变暖,这已经造成了不利的变化对我们这个星球, 凯瑟琳说皮尔斯,气候活动家国际地球之友.“除非我们采取行动减少排放量,更糟糕的还在后头, 谴责数百万在世界最贫穷的地区损失的生命
16、,生计和家庭.气候变化不再是一个环境问题.这是一 个迫在眉睫的人道主义灾难的威胁,最终我们的全球平安和生存.,Adaptation and Sustainable DevelopmentMitigation individuals, industries and governments may be able to head off or reduce some of the anticipated effects of global warming, according to the IPCC report, but no amount of mitigation will prevent
17、most of the effects outlined in the report from taking place over the next few decades. Humans, like other species, will have to adapt to achanging world. At the same time,the report is very clear thata unmitigated climate change would, in the long term, be likely toexceed the capacity of natural, m
18、anaged and human systems to adapt.减缓,适应和可持续开展缓解个人,行业和政府可能能够阻止或减少一些对全球变暖的预期效果,根据IPCC委员会报告,但没有缓解的金额将预防在未来的影响大局部发生在报告中概述几十年.人类,其 他物种一样,必须适应不断变化的世界.同时,该报告是很清楚的,不折不扣的“气候变化将 在长期,可能超出自然的水平,治理和人类系统的适应Sustainable development also could help limit the impacts of global warming by reducing thevulnerability of
19、people in the areas most likely to be seriously affected and by increasing theadaptability of those regions and the people who live there. Unfortunately, sustainable development is not widely practiced and is development plans.可持续开展也可以帮助限制全球气候变暖的影响,最有可能受到严重影响的地区,通过减 少人的脆弱性和增加对这些地区的人生活在那里的适应性.不幸的是,可持续开展是没有得到 广泛的实践和开展方案.But glo
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