This alone should raise your eyebrow considering cars alone account for half the oil consumed in the United States, about half the urban pollution, and one-forth of the greenhouse gases (Car Pollution). ... Water alone accounts for over 70% of the Earth's surface (Kifferstein and Krantz). ... You are most likely sitting there thinking that water pollution isn't that big of a threat these days since we have our water treatment plants and all, well think again. ... Yeah, now you are thinking twice about how safe our water is. ... Pollution can be found in three places, air, water, ...

• Word Count: 1282
• Approx Pages: 5
• Has Bibliography
• Grade Level: Undergraduate

For the most part, the fuel cell's only emission is water vapor, giving it potential as the cleanest hybrid power unit alternative. ... Battery-powered vehicles give off virtually no pollution and offer one of the best options for reducing motor vehicle emissions in polluted cities. ... But these plants are often in rural areas where the emissions do not drive pollution levels above health standards. ...

• Word Count: 481
• Approx Pages: 2
• Grade Level: Undergraduate

It also is a precursor of acid rain and contributes to an over-fertilization of small water bodies which can led to algae blooms ()footnote of the nitrogen cycle. ... California in the world's fifth largest economy home to 24 million motor vehicles, which are responsible for 40% of the state's greenhouse pollution. ... Since it is now known that 20% of the older cars are pulling 80% of the pollution (Rob Driess 2003). ... Solar cars are the oldest suggested answer to the vehicle pollution problem. ...

• Word Count: 2418
• Approx Pages: 10
• Has Bibliography
• Grade Level: Undergraduate