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


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Global Warming-Carbon Emissions

Environmental Science

Global Warming - Carbon Emissions

For over two decades, the scientific community has been sounding the alarm of a m*****n-made, global warming of our Earth's lower troposphere. This warming ***** been accelerating at an unprecedented r*****e and its effects have ***** accumulating at a level that can be seen in the recent wea*****r changes ***** natural catastrophes ***** 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 fac*****g extinction because of the ***** of greenhouse gases increasing over ***** last few *****s.

The causes of this accelerated ***** ***** of the earth's atmosphere are both simple and complex. The ***** reason is that our *****use ***** fossil fuels in industrial, affluent, and increasingly populated nations and the release of excess effluvia of CO2 into earth's atmosphere is affecting the thermostatic temperature balance of the globe. That is ***** simple cause. The complex, interrelated ***** have to do with ***** dependence on these fossil fuels and the local, regional and national economic interests of a free-market 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 global concerns. According to the majority of scientific experts on global warming, these ***** fac*****rs, *****, nati*****al and social are impeding what should be an *****, unified effort of ***** to fashion 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 hum***** 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 and o*****r naturally occurr*****g "trace **********" as well as synthetically produced chemicals released into the *****. During 1860, human created carbon emissions were at about ********** of a gig*****ton (billion metric tons). This had increased, ***** 1900 and 1940. to about 1.0 ***** 1.5 gigatons. By 1960, the carbon emissions had passed 3.0 gigatons to more than 8.0 gigatons by the ***** 19*****'s. This was a world increase of carbon ***** emissions of 219 percent, or approximately a 7.3 percent incre*****se, annually. Between 1850 ***** 2000, the human effluvia of CO2 ***** from fossil fuel ***** had increased fifty times over (Johansen, 3).

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

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