This increased consumption and burning of fossil fuels increases air and water pollution and contributes to the greenhouse effect. ... Many cities fail to meet air-quality standards even with improved pollution controls. Vehicles are responsible for an estimated 80% of the air pollution in metropolitan regions (Nebel, Wright 581). ... The paved area around all homes reduces rainfall percolation back to ground water tables. ... Arguably, the most important weapon against those that would pollute our air, water, and food sources is an ...

• Word Count: 3695
• Approx Pages: 15
• Grade Level: High School

Trout and salmon depend on cold water to live. ... "Hydro electricity is generated through water pressure. ... Pipes or channels are then used to direct water from the storage to the stations. Within the station, water pushes the turbine that generates electricity. ... But in return air, chemical, water, or thermal pollution would not be present" ("Wind, Water, Sun, or Coal"). ...

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

They also include the air we breathe and the water we drink. ... Some melting glaciers add more water to the ocean. Warmer temperatures also make water expand. ... Coastal flooding also may reduce the quality of drinking water in coastal areas. ... Indirectly, ecological disturbances, air pollution, changes in food and water supplies, and coastal flooding are all examples of possible impacts that might affect human health. ...

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

Solar energy systems are sustainable because they create no pollution and consume natural energy, unlike the fossil fuels used now to produce electricity and heat. ... They produce a clean, reliable energy that will greatly contribute to the reduction of using fossil fuel According to Tom Henheffer," 'fracking' is the horizontal drilling and hydraulic fracturing of shale rock in which each operation needs 11 to 26 million liters of water, which is mixed with toxic chemicals.... " Shuster uses this information to support his argument that with a constantly increasing natio...

• Word Count: 3481
• Approx Pages: 14
• Has Bibliography
• Grade Level: Undergraduate

The use of wind power in Cuba is extensive, and there are more than 8000 windmills for mechanical water pumping currently operating along with many small wind turbines. Since the majority of Cuban windmills are used for water pumping, the Cuban wind potential has not been sufficiently studied from the perspective of electricity generation, although some wind zones have been detected that offer good possibilities. ...

• Word Count: 2687
• Approx Pages: 11
• Grade Level: Undergraduate

However, the technology or knowledge is not yet known to be majorly efficient, so current uses that help save some money and energy are that it can "be used to charge storage batteries aboard boats, to operate lighthouses, used in remote areas for pumping water either for cattle or irrigation, and to supply power for emergency telephones on highways. "(Bortman) All of which, do not cause air pollution, appealing to the people who strongly believe in global warming. ...

• Word Count: 3689
• Approx Pages: 15
• Has Bibliography
• Grade Level: Undergraduate