Air pollution occurs when waste products mix in the air. The amount of air pollution significantly increased during and after World War II because the amount of factory use and production increased to meet military needs (Calhoun 90). There was no concern for the air and emissions' effect on health. However, after smog settled over Donora in 1948 and New York City in 1953, 1962, and 1966, many people died or became sick as the pollution lined the bronchi, damaged the respiratory system, and blurred vision (Goldman 81). The Environmental Protection Agency, or the EPA, has identified sources of pollution such as automobiles and buildings as well as seven major air pollutants, with the most common being carbon monoxide. Smog, the combination between smoke and fog, is emitted from fire, paints, and emissions from vehicles. Another common pollutant that corrodes structures is acid rain. Acid rain is any rainfall with a potential of hydrogen, or pH, of less than five. Acid rain develops when clean, normal rain, with a pH of about 5.6, reacts with carbon dioxide in the atmosphere forming acid rain. Most acid rain ranges between 4.3 and 5.0 (Trapp 5). Sulfur oxides, emitted from man-made sources such as factories, can destroy aquatic life as well as the human respiratory system. Fuel combustion is a human-caused pollutant emitted from vehicles and is composed of carbon and…
Air pollution is dangerous in the world, and it is mainly caused by fossil fuel emissions…
Loss of the Ozone layer • 1980s: found that chlorofluorocarbons (CFCs) depleting ozone layer o CFCs: “dream chemicals” used as coolant in air conditioners & fridges; propellant for aerosol spray cans; cleaners • Depletion of ozone layer damaging to wildlife and humans as more UV radiation reaches earth – more eye cataracts, sunburns, skin cancer • International treaty to ban CFCs – Montreal Protocol (1987) • Air pollution: presence of chemicals in the atmosphere in concentrations high enough to harm organisms, ecosystems and human-‐made materials o Natural sources: dust, wildfires, volcanic eruptions, plants o Human sources: burning of fossil fuels for power and industrial purposes (stationary) and cars (mobile sources) o Primary pollutants: emitted directly into troposphere from source (CO, HCs, SO2, NO2) o Secondary pollutants: reaction with primary pollutants (or component of air) to create a new pollutant (SO3, NO3, H2SO4, O3) Six Critical Air Pollutants • Carbon oxides • Nitrogen oxides and nitric acid • Sulfur dioxide and sulfuric acid • Particulate matter • Ozone • Volatile organic compounds 1) Carbon Oxides • Carbon monoxide (CO) • Colorless and odorless • Sources: combustion of carbon containing fuels – 50% from vehicle exhaust • Impacts: “driver fatigue”, heart disease, respiratory ailments • Levels fluctuate daily in urban areas – why?…
Using the textbooks, the University Library, or other resources, answer each of the following questions in 150 to 200 words.…
In a balanced energy regime, fossil fuels should be used only in specific areas with a limited allowance each year. In the future, fossil fuels can be used in less developed area with limited exposure to high-end technology, and it can be stored in fixed quantities as a kind of back up energy sources. I have several reasons behind my proposal. As mentioned in the book, fossil fuels have several major disadvantages. As a result, it should be gradually phased out. The author mentioned that mining itself can cause damages to human beings, generate greenhouse gases and acid rains, and cause mountaintop destructions. However, comparing to clean energies, fossil fuels have their unique advantages even in a balanced energy regime. For example, just…
As the graph illustrates the current energy being supplied by fossil fuels cannot meet the global demand requirements. As a result, greater deposits of fossil fuels need to be found or alternative energy sources need to be discovered so that the world does not fall into an energy crisis (BBC, 2012).…
Using the textbooks, the University Library, or other resources, answer each of the following questions in 150 to 200 words.…
Fossil Fuels are the most important energy sources in our world today. Due to the importance of fossil fuels, it made a huge impact on political issues. In this essay, I argue that political pressures surrounding fossil fuels can often lead to unrest and even war. These situations can lead to extreme social hardships. Even if a country is cash rich, the delivery system and dangerous situations involving social unrest may mean that many people never see many of the benefits of fossil fuel money. The overwhelming majority of the huge amount of energy used in the world comes from the burning of three major fossil fuels: coal, petroleum, and natural gas. Fossil fuels are a non-renewable source of energy. They are formed over a very long period of time; the fossil fuels on earth today were formed from plants and animals that lived up to 300 million years ago (Sachs, Jeffery D., Warner, Andrew, p.2) These fossil fuels are found in deposits deep beneath the earth.. Energy is essential to modern society as we know it. Over 85% of our energy demands are met by the combustion of fossil fuels (McKillop A, Newman S, p.148). Due to the importance of fossil fuels, it made a huge impact on political issues.…
America runs on fossil fuels. Automobiles, trains, airplanes and most, or all, transportation methods depend on these fossil fuels. Electric power is also derived, primarily, from fossil fuels. Americans derive 39% of their power from coal, 27% from natural gas and 19% from nuclear power (“U.S. Energy Information Administration - EIA - Independent Statistics and Analysis”). However, fossil fuels are quickly running out, as they are a nonrenewable resource. Scientists predict coal resources will run out in 110 years, oil in 53 years and natural gas in 54 years. While a century to half a century seems like a long time, these resources are, in actuality, quickly being depleted and, in a few generations, may be obsolete. While fossils fuels are technically renewable, it would be millions of years before this energy source would be completely restored and harvestable (“How Long Will Fossil Fuels Last?”).…
These fumes and chemicals usually originate from factories, automobiles, dust, pollen, and fungus such as mold. A gas known as ozone plays a major part in air pollution. Smog is created when ozone contaminates the air. Another hazardous gas is carbon dioxide, which is a greenhouse gas. This toxic vapor is responsible for global warming. Although many things release carbon dioxide when breathing, it is considered a contaminant (pollutant) when it is linked with automobiles, aircrafts, factories, and other human related doings that use and burn fossil fuels such as gasoline and natural gas. The reason air pollution is dangerous is because it is possible for it to be poisonous. Inhaling these toxins forming in the air can lead to heart or lung disease. Also, air from mold and dust insides many buildings are also likely to affect your…
In 1977, the President of the United States of America, Jimmy Carter, advocated for the use of alternative energy to the American people “because we are now running out of gas and oil, we must prepare quickly to strict conservation [of fossil fuels] and to the use of coal and permanent renewable energy sources, like solar power.” More than thirty years later his announcement still rings true and is relevant. In fact, the current situation of non-renewable fuels is worse than in 1977. This is because American and global society is becoming more mobile and active, which is causing fossil fuels to be diminished at a higher rate than ever. Scientific discovery like the innovation of steam power and river power in the nineteenth century was a catalyst for meeting energy needs. Almost two hundred years later, the time to update energy solutions has arrived. Even though people disagree, alternative energy is the correct solution to the problem of diminishing fossil fuels. Therefore it is imperative that alternative energy be used more often than non-renewable resources due to their renewability, benefits to the environment and humankind, and its ability to stimulate the economy with an independent energy market.…
Since the beginning of industry humans have been in search of fuel to power machines and generate energy. Fossil fuels, such as crude oil and coal, discovered beneath the Earth’s surface were found to be an excellent source of fuel. These fossil fuels are burnt in order to generate the energy required to complete various tasks.…
The over-reliance on fossil fuels denotes to be a serious challenge in the United States. In 2006, President Bush used the term “addiction to oil” elucidating how the country heavily relies on fossil fuel as a source of energy (Sarica & Tyner, 2013). The world is becoming more competitive, and America is increasing its demand on fossil fuel. The precarious state of the fossil fuel in the markets abroad raises concerns. Political and economic instabilities are a huge disadvantage in the importation process. Hence, the challenges evident in the international market coupled with the ever-growing energy demand calls for the need to institute ways of harnessing alternative sources of energy. Attempts to lower…
Coal, oil, and natural gas make up the list of major fossil fuels. Almost all energy produced in the United States comes from burning these highly important fuels. That energy powers almost all of our electricity and all of our transportation. We as the people of this very planet are currently in a crisis because fossil fuels are non-renewable; once they are gone, they are gone. There is no chance of recreating them for more use. To be able to rest easy about losing these fossil fuels, alternative fuel sources need to be found that can substitute efficiently and effectively.…
Alternative fuels, also known as non- renewable sources, are substances that can be used as fuels, other than conventional fuels. Conventional fuels include: fossil fuels (petroleum (oil), coal, propane, and natural gas), and nuclear materials such as uranium. [ 1] The fuels we use now are finite, meaning they have a limited life expectancy.…