Cause of Global Warming

Topics: Carbon dioxide, Global warming, Methane Pages: 2 (522 words) Published: December 1, 2012
Causes of Global Warming

There are many factors that contribute to causes of global warming nowadays.Through many years of investigation,scientist have discover that the prime factor are cause by the effect of greenhouse gases (GHGs) emitted by humans.Mankind have distribute carbon dioxide in many ways:- 1. Carbon dioxide emissions from fossil fuel burning power plants:- * Human addiction to electricity from coal burning power plants releases enormous amounts of carbon dioxide into the atmosphere. 40% of U.S. CO2 emissions come from electricity production, and burning coal accounts for 93% of emissions from the electric utility industry. Every day, more electric gadgets flood the market, and without widespread alternative energy sources, we are highly dependent on burning coal for our personal and commercial electrical supply. 2. Carbon dioxide emissions from burning gasoline for transportation:- * Human modern car culture and appetite for globally sourced goods is responsible for about 33% of emissions in the U.S. With our population growing at an alarming rate, the demand for more cars and consumer goods means that we are increasing the use of fossil fuels for transportation and manufacturing. Our consumption is outpacing our discoveries of ways to mitigate the effects, with no end in sight to our massive consumer culture.

3. Methane emissions from animals, agriculture such as rice paddies, and from Arctic seabeds:- * Methane is another extremely potent greenhouse gas, ranking right behind CO2. When organic matter is broken down by bacteria under oxygen-starved conditions (anaerobic decomposition) as in rice paddies, methane is produced. The process also takes place in the intestines of herbivorous animals, and with the increase in the amount of concentrated livestock production, the levels of methane released into the atmosphere is increasing. Another source of methane is methane clathrate, a compound containing large amounts of...
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