Essay - Global Warming-carbon Emissions Environmental Science Global Warming - Carbon Emissions...


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Global Warming-Carbon Emissions

Environmental Science

***** Warming - Carbon Emissions

For over two decades, the scientific community has been sounding the alarm of a man-made, global warming of our Earth's lower troposphere. This warming has been accelerating at an unprecedented r*****e and its effects have ***** accumulating at a level that can be seen in the recent weather changes ***** natural catastrophes over the last decade. For examples: the most powerful El Nino ever on record; the hottest European summer in 2004 that killed over 26,000 people; some ***** the worst hurri*****es and flooding, including Hurricane Katrina in 2005 that devastated New Orleans; not to mention ***** one out of every five species facing extinction because ***** the ***** of greenhouse gases increasing over the last few decades.

The causes of this accelerated global ***** of the earth's atmosphere are both simple and complex. The simple reason is ***** our overuse ***** fossil fuels in industrial, affluent, and increasingly populated nations ***** the release of excess effluvia of CO2 into ***** atmosphere ***** affecting the thermostatic temperature balance of the globe. That is ***** ***** cause. The *****, interrelated ***** have to do with ***** dependence on these fossil fuels and the local, regional and national economic interests of a free-m*****rket economy that causes tensions between developed nations (and between developed and underdeveloped nations) and ***** special interest groups whose relatively short term economic goals ***** taking precedent over immediate and pressing ***** concerns. According ***** the majority of scientific experts on global warming, ***** complex factors, *****, ***** and social are impeding what should be an *****, unified effort of ***** to fashi***** solutions, before it is too late (Johansen, B.E., The Global Warming Desk Reference, 2).

CAUSES OF GLOBAL WARMING

The widespread use of fossil fuels began during the Industrial age when economic industrial development brought greater financial pr*****it along with an increase in human comfort ***** convenience.

The combustion of coal, oil and natural gas has been chang*****g the atmospheric ***** ever since with the increases in carbon dioxide (CO*****), methane, nitrous oxides ***** other naturally occurr*****g "trace *****" as well as synthetically produced chemicals released ***** the *****. During 1860, human created carbon em*****sions were at about one-tenth of a gig*****ton (billion metric tons). This had increased, ***** 1900 and 1940. to about 1.0 ***** 1.5 giga*****. By 1960, the carbon emissions ***** passed 3.0 gigatons to more than 8.0 gigatons by the late 1980's. This was a world increase of carbon dioxide ***** of 219 percent, or approximately a 7.3 percent incre*****se, annually. Between 1850 and 2000, the human effluvia of CO2 emissions from fossil fuel ***** had increased fifty times over (Johansen, 3).

***** *****es ***** a class ***** gases that trap heat near the ***** surface. As they increase in the Earth's atmosphere, ***** extra heat they ***** creates global *****. This global warming affects the Earth's climate system and can lead to ***** changes through the w*****ld. Carbon dioxide (CO2) is the

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