Fuel cells generate electricity through an electrochemical reaction that combines hydrogen with ambient air. ... 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. ... More efficient cars can make a big difference to society in terms of environmental benefits, and the serious deterioration of urban air has motivated regulators to require cleaner cars. ...

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

We know that the burning of fossil causes many pollution problems such as: the release of CO2, NOx and SO2. ... The sources we obtain fossil fuels from are often very dangerous and do not put a price on other natural capitals used in the process such as air and water. ... The efficiency standard would not be a probable pollution standard since cost to communities surrounding fracking operations is higher than its benefits. ... Since 2005, the EPA has had no authority to prosecute the possible pollution of hydraulic fracturing operations under the Safe Drinking Water Act; these companies curren...

• Word Count: 677
• Approx Pages: 3
• Grade Level: Undergraduate

Using ethanol instead of fossil fuels The use of ethanol as an alternative to fossil fuels could greatly reduce pollution. ... Ethanol is low in reactivity and high in oxygen content, making it an effective tool in reducing ozone pollution. ... Furthermore, because ethanol blended fuels also burn cleaner and pollute less, they are therefore reducing air pollution, this making ethanol the only motor fuel that will not contribute to the "greenhouse effect". ...

• Word Count: 1086
• Approx Pages: 4
• Has Bibliography
• Grade Level: Undergraduate

More recently, "biomass fired steam power has been used to generate electricity [which] can have numerous environmental and air-quality advantages over burning fossil fuels" (How Biomass Energy Works"). ... The very nature of biomass energy requires that it be burned and even if the organic material is low-carbon, it will still emit some pollution and carbon emissions. ... Instead, researchers have recently developed a power cell that uses magnesium as a one of the main components called the "Magnesium Air Fuel Cell,"" it is essentially a "magnesium based version of the lithium ion rechargeabl...

• Word Count: 1281
• Approx Pages: 5
• Has Bibliography
• Grade Level: Undergraduate

As a result of the equipment and methods used to extract the oil, high levels of pollution are released into the atmosphere, disturbing nearby ecosystems. ... In addition to polluting the surrounding water, offshore drilling practices also release harmful substances into the air. ... It has been estimated that "A single offshore rig emits the same quantity of air pollution as 7000 cars driving 50 miles per day." ...

• Word Count: 1668
• Approx Pages: 7
• Has Bibliography
• Grade Level: Undergraduate

The House of Representatives recently voted to restrict the amount of time that the Environmental Protection Agency can take to decide on companies' applications for air-quality permits for offshore rigs or platforms exploring for oil. ... However, the Obama administration believes these measures will increase air pollution (Power). ...

• Word Count: 1058
• Approx Pages: 4
• Has Bibliography
• Grade Level: Undergraduate

With the increase of anxiety towards the idea of global warming, there has been a boom in hybrid cars, as well as a lot of money spent on researching the issue. Even with all the money put into researching the issue of global warming, there are articles that claim global warming is an actual growing...

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