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1、The world we live inJerry YuSome alarming factsIn his or her lifetime, the average American born in the 1990s will lwear and throw away 115 pairs of shoes and bootslthrow away 27,500 newspapers about 7 trees a yearluse more than 28,000 gallons (106,000 liters) of gasolinelcreate over 110,000 pounds
2、(50,000 kilograms) of trashluse 80-100 gallons (303-378 liters) of water every daySocial Problemsloverpopulationlhousinglwater supplyltransportationllittering l人口过剩l住房l水供给l交通l垃圾ltheft lmurderlmugginglrapelsmugglingl偷窃l谋杀l抢劫l强奸l走私lpollutionlfake productslbriberylcorruptionlgraffitil污染l假冒伪劣l受贿l贪污l乱涂乱画
3、lgamblingldomestic violencelunemploymentljuvenile delinquencyl赌博l家庭暴力l失业l青少年犯罪lhigh divorce ratelracial discriminationldrug abuselgeneration gaplpovertyl高离婚率l种族歧视l滥用毒品l代沟l贫穷Top-10 Environmental ProblemslAcid Rain Acid rain is caused by pollution released from factories and other manufacturing proces
4、ses as well as many other pollutants. It can create acidification of lakes and cause damage to plants and wildlife. It also increases the rate of decay of buildings and other man-made items. Learn about the causes of acid rain, how to measure acid rain and what is currently being done to try to redu
5、ce the amount of acid rain in our environment. lAir Pollution Learn about the causes and effects of air pollution and a little about air pollution throughout history. Learn about some of the solutions to reducing pollution in our air, such as energy conservation techniques, using renewable sources o
6、f energy and improving overall energy efficiency in many different products. You may also want to read about improving indoor air quality. lChemical Waste When manufacturers release chemicals into the environment instead of disposing of them properly, it can cause any number of environmental health
7、hazards. Although the Environmental Protection Agency monitors companies, sometimes mistakes happen or accidental spills occur. It is probably rare for intentional waste to be spilled, but that happens as well. You can also read about Environmental Hazardous Waste. lContamination of Marine Habitats
8、Pollution of marine habitats can occur in any number of ways, including oil spills, trash dumped into the oceans and other chemical spills. Although debris is a big hazard to creatures of the sea, chemicals and other things dumped into waterways make their way to our oceans and cause even more troub
9、le. Many animals have been saved from these dangerous habitats, but pollution continues to be a problem. lDeforestation Although deforestation at first glance may not seem to be a big issue, the environmental impact can be huge. Many lumber companies have begun to replant trees in recent years to he
10、lp stop the spread of this problem. However, the effects of deforestation can include soil erosion, changes in the water cycle, floods, droughts and is suspected to play a part in climate changes. lDiseases Many of the growing problems with diseases is thought to be related to pollution and environm
11、ental problems. Experts suspect that increased exposure to chemicals may cause breast cancer, severe allergies and increase the risk of heart disease and stroke. Studies such as those conducted by the Environmental Working Group (EWG) show that changes must be made. lExtinction of Species Many of th
12、e other environmental problems listed seem to be contributing to mass species extinction. In addition to species that have already gone extinct, there are many species in danger such as Siberian Tigers and the Arakan Forest Turtle. Learn more about how population growth is contributing to species ex
13、tinction. Go to the news portal for regularly updated reports on species in danger. lGlobal Climate Change One of the utmost environmental problems facing our planet today is global climate change. Learn more about the basics of climate change, such as shifting weather patterns, melting polar icecap
14、s and greenhouse warming. Learn more about what can be done about climate change. Youll even find some lesson plans and learning modules to help students learn more about this important topic. lOverpopulation Human overpopulation is causing many of the environmental problems we face today. More huma
15、ns means more energy consumed, more trash produced and more areas developed. Learn more about the effects of overpopulation and what can be done to try to reverse the damage. Youll also find out what species are being most impacted by results of overpopulation. lWater Quality One impact of environme
16、ntal pollutants, wastes and chemical spills is an overall reduction in the quality of water. Learn more about what water quality means and learn about ways to tell if your drinking water is safe. The USGS also offers material for schools to help children learn about water quality and how it can impact their lives and the community around them. WORD POWERPROBLEMSVERY CONCERNEDFAIRLY CONCERNEDNOT CONCERNED drug traffickingfamineglobal warminggovernment corruption HIV/AIDSinflationoverpopulati
