作业帮急需英文版关于保护环境尤其是空气方面的建议suggestions on environmental protection,esp.on atmosphere150字,
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急需英文版关于保护环境尤其是空气方面的建议suggestions on environmental protection,esp.on atmosphere150字,
急需英文版关于保护环境尤其是空气方面的建议
suggestions on environmental protection,esp.on atmosphere
150字,
急需英文版关于保护环境尤其是空气方面的建议suggestions on environmental protection,esp.on atmosphere150字,
The atmosphere is a complex, dynamic natural gaseous system that is essential to support life on planet earth. Stratospheric ozone depletion due to air pollution has long been recognized as a threat to human health as well as to the earth's ecosystems.
Worldwide air pollution is responsible for large numbers of deaths and cases of respiratory disease. Enforced air quality standards, like the Clean Air Act in the United States, have reduced the presence of some pollutants. While major stationary sources are often identified with air pollution, the greatest source of emissions are actually mobile sources, principally the automobile. There are many available air pollution control technologies and urban planning strategies available to reduce air pollution; however, worldwide costs of addressing the issue are high. The most immediate method of improving air quality would be replacing coal fired power plants (which contribute 40% of world's sulphur and mercury) with zero pollution wind power, along with the use of bioethanol fuel, biodiesel, solar energy, and hybrid vehicle technologies.
这个是只针对空气污染和保护的说