... Act (CAA) and the 1990 Clean Air Act Amendments (CAAA) gives state and local governments primary responsibility for regulating pollution from power plants, factories, and other "stationary sources." The Environmental Protection Agency has the primary responsibility for "mobile source" pollution control. In 1975, resulting from EPA intervention, automobile manufacturers were successful in designing more environmentally sound vehicles with the ... variations in compliance costs. For any region, namely urban areas, violating these air quality standards, a State Implementation Plan (SIP) mu...

• Word Count: 3394
• Approx Pages: 14
• Has Bibliography
• Grade Level: Undergraduate

... and development. It used to be possible to feel comfortable in favoring "development at all costs." Now that we have seen the environmental damage (and therefore the environmental costs to future generations) of some development strategies, it is clear that "development", as classically defined in terms of the increase in ... emissions. U.S. negotiators are doing the opposite, proposing that the United States be allowed to obtain all of its emission credits by building low-pollution energy and industrial plants in other countries. U.S. high technologies that reduce global warming should b...

• Word Count: 3060
• Approx Pages: 12
• Has Bibliography

... technology. Introduction and Background Sustainability is the key feature in management of natural resources, which considers the fuel efficiency, environmental concerns and economic benefits and costs. Our current society struggles from fossil fuel shortage and pollution, which call for explorations of different types of energy and multiple ways to produce clean energy for daily and industrial uses ... to be the most popular and cost-efficient methods for microalgae at present. The technological effectiveness depends on properties of specific microalgal strains and better controls of th...

• Word Count: 3194
• Approx Pages: 13
• Has Bibliography
• Grade Level: Graduate

... . As the thought of a future global food shortage looms, overfishing could become especially destructive. Whereas overfishing is a direct method of humanity and overpopulation depleting fish stocks worldwide, pollution is an indirect way. The Aral Sea between Kazakhstan and Uzbekistan yielded forty thousand tons of seafood in 1960(Brown and Kane, 1994, p. 94). The river that fed ... one third of the world population lives within sixty kilometres of a coastline(Ehrlich and Ehrlich, 1970, p.125). This obviously leaves the oceans and lakes vulnerable to a great deal of pollution(see Map 1)....

• Word Count: 3065
• Approx Pages: 12
• Has Bibliography
• Grade Level: High School

... harmful to life because they can be absorbed by the nucleic acid in cells. Increased penetration of ultraviolet radiation to the planet's surface would damage plant life and have harmful environmental consequences. Appreciably large amounts of solar ultraviolet radiation would result in a host of biological effects, such as a dramatic increase in cancers. Meteorological conditions strongly affect the distribution of ... from power stations, motor vehicles, and industry do contribute to acid rain. In some parts of Australia, these activities are making rain-water slightly more acidic. Red...

• Word Count: 2950
• Approx Pages: 12

... electricity. There are two types of hydroelectricity dams called dams and run-of-river, or water-diversion. But both types of dams have serious environmental effects. They can change the flow of rivers, increase the amount of sediment in the water and decrease oxygen level; in return, this can ... costs for hydropower are the expenses for building and maintaining the power stations and the dam itself. But in return air, chemical, water, or thermal pollution would not be present" ("Wind, Water, Sun, or Coal"). Advantage to hydropower is increase in water level that can increase the chance ...

• Word Count: 3357
• Approx Pages: 13
• Grade Level: High School

... be unable to sustain life in the manner that we know."" The problems facing the environment today are vast and diverse. Air pollution and the emission of greenhouse gases are just some of the problems that will reach critical proportions in the coming decades. Since the ... example, in an article in the Tufts University Health & Nutrition Letter, called "Are those single-serving Fruit Cups right for you?-, consideration for the environmental impact of the consumption of these fruit cups is considered for a proportionately large section of the article. The article asks, " . . . and ... ...

• Word Count: 2601
• Approx Pages: 10
• Has Bibliography
• Grade Level: Undergraduate

... to quantify in terms of numbers of increased deaths or illnesses. For one thing, human populations differ in vulnerability. Factors such as crowding, food scarcity, poverty, and local environmental decline make populations in some developing countries especially vulnerable. Likewise, in industrialized countries, the demographic trend toward an aging population raises the health risks. Climatic changes may have wide- ... local climate. Extreme temperatures can directly cause the loss of life. Moreover, several serious diseases only appear in warm areas. Finally, warm temperatures can inc...

• Word Count: 3240
• Approx Pages: 13
• Grade Level: Undergraduate

... , shrubs cover the tundra, and cacti dot the desert? • Trees turn carbon dioxide into oxygen that helps us breathe and reduces air pollution. • Trees also filter lots of other chemicals from our air and purify it making the air healthier for us to breathe. • ... supply oxygen and refresh the air we breathe by utilizing carbon dioxide produced when we exhale and burn fossil fuels. Trees also reduce noise pollution, act as wind buffers and absorb dust and other air pollutants. Trees are the essential link in the food chain of life; they ... salt to the surface. The consequences have b...

• Word Count: 2774
• Approx Pages: 11
• Grade Level: High School

... gigajoule, and gasoline to increase to at least $1.10 per litre. I don't believe that those sorts of dramatic increases will materialize. A more sensible approach will be created that will balance environmental responsibility and economic prosperity. Reducing the amount of man-made greenhouse gas emissions is definitely a good idea and a worthwhile undertaking, but one approach for all countries is not sensible. The ... appliances and be granted tax breaks. This will have the effect of reducing smog in our major urban centers, as well as potentially reducing health care related costs as...

• Word Count: 3633
• Approx Pages: 15
• Has Bibliography
• Grade Level: Undergraduate

... gases, the current per capita emissions in developing countries is still far lower than developed countries. However, developing countries in the construction period must be produced to have a lot of pollution, carbon emissions will be high, the West in the development period, too, but the West is a historical account does not count, as the Anglo-American history, 1,100 ... central point: that global warming and the destruction of the environment is rooted in a global system of capitalism and imperialism, where production is determined not by social needs or environmental sustainability ...

• Word Count: 6155
• Approx Pages: 25
• Grade Level: Undergraduate