Dire Predictions: Global Warming

Topics: Atmosphere, Oxygen, Carbon dioxide Pages: 4 (1593 words) Published: December 1, 2010
November 29, 2010
Dire Predictions : Student Edition

Chapter one of Dire Predictions Understanding Global Warming does exactly like the title says, it gives the reader the essential basics of understanding the Global Warming issue. Chapter one gives essential information covering a wide range of things including: the natural and human impacts on climate, definition of a greenhouse gas and how it affects temperature, positive and negative feedback loops, threatening human byproducts that affect the ozone, ways scientists study ancient climates, and it gives possible future Earth outcomes due to global warming. It is a really loaded chapter I know, but this information proves to be very valuable when learning about global warming. In fact, the information is so valuable that it can’t be covered by just stating a quick overview of the chapter, but needs a more detailed summary.

Some natural variables that potentially affect the Earth’s climate include the sun, volcanic eruptions, and Earth’s orbit. But how exactly does something like a volcanic eruption effect climate? This is because “Explosive volcanic eruptions modify the composition of the atmosphere by injecting small particles called aerosols into the atmosphere layer.” These released aerosols block the solar radiation that would have reached Earth’s surface and consequently, it has cooling effect on Earth’s surface. The more talked about topic in chapter one however is the non-natural, or human induced impacts causing global warming. Humans burning of fossil fuels and release of chlorofluorocarbons (CFC’s) are both examples of human variables that affect global warming. CFC’s are a kind of gas that is released by cooling apparatus’ such as the refrigerator. These gasses have been proven to destroy the ozone. Furthermore, the book goes on to prove that the major impacts causing global warming are not natural but mostly human made. It states that the hole in the ozone is not mostly caused...

Cited: Banerjee, Subhankar. "Global Warming." New York Times. 6 Oct. 2010.
Mann, Michael E., and Lee R. Kump. Dire Predictions: Understanding Global Warming. New York,
NY: DK Pub., 2009. Print.
May, Elizabeth, and Zoë Caron. Global warming for dummies . Mississauga, ON: J. Wiley & Sons Canada, 2009. Print.
Nodvin, Stephen C. "Global Warming." encyclopedia of earth. 9 May. 2010. 29 Nov. 2010. .
Yeatman, William. "Global Warming: Solutions/Cost/Science GlobalWarming.org | Archive | Global Warming 101 ." Global Warming . N.p., 9 Feb. 2009. Web. 29 Nov. 2010. .
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