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Global Warming

Effects of Global Warming

Brandon Fredrickson

on 6 May 2010

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Transcript of Global Warming

GLOBAL WARMING Main Idea of Global Warming The atmosphere has a natural supply of "greenhouse gases." They capture heat and keep the surface of the Earth warm enough for us to live on. Without the greenhouse effect, the planet would be an uninhabitable, frozen wasteland. Details Industry took off in the mid-1700s, and people started emitting large amounts of greenhouse gases. Fossil fuels were burned more and more to run our cars, trucks, factories, planes and power plants, adding to the natural supply of greenhouse gases. The gases, which can stay in the atmosphere for at least fifty years and up to centuries, are building up beyond the Earth's capacity to remove them and, in effect, creating an extra-thick heat blanket around the Earth.
The result is that the globe has heated up by about one degree Fahrenheit over the past century, and it has heated up more intensely over the past two decades.
If one degree doesn't sound like a lot, consider this: the difference in global average temperatures between modern times and the last ice age (when much of Canada and the northern U.S. were covered with thick ice sheets) was only about 9 degrees Fahrenheit. So in fact one degree is very significant—especially since the unnatural warming will continue as long as we keep putting extra greenhouse gases in the atmosphere. Methods to Help/Contribute At Home: Use Less Energy
Home energy accounts for 21 percent of America's global warming pollution. If we make smart choices, we can cut more pollution than the entire emissions of over 100 countries!
On the Road: Be Efficient
When it comes to global warming, how and what we drive are two of our most powerful choices. Transportation is the biggest source of U.S. carbon dioxide emissions, more than factories or homes.
Neutralize the Rest
Even if you are already driving efficiently and using less electricity, there's more you can do. Buying offsets, or credits, neutralizes what we can't cut.
Bibliographies "The Basics of Global Warming." Global Warming. Environmental Defense Fund., 2010. Web. 14 Apr. 2010. <http://www.edf.org/page.cfm?tagID=35215&source=ggadgw35215&gclid=COzvwciFh6ECFYNV2godh3iGKQ>. http://www.5min.com/Video/What-is-Global-Warming-38356558 The Carbon Cycle and Carbon Bonds http://www.teachersparadise.com/ency/en/media/9/9c/benz1.png Episode 1- Introducing Carbon and Its Abilities Episode 2- Carbon Atoms Bond and the Energy Grips Very Tightly Episode 3- When Energy is Released, a Carbon Atom Bonds With Another, Which is Usually More Stable. Episode 4- One Carbon Atom Always Tries to Bond With Its Most Stable Partner, Oxygen. When One Carbon Atom Bonds With Two Oxygen Atoms, They Become CO2. Engineers are Working on Fixing Global Warming, by Figuring Out Methods of Carbon Sequestation. Extra Information All living things contain carbon. Fossil fuels are made up of dead organisms that died millions of years ago under the sea. The pressure turned them into black goo, oil, but their carbon bonds remained. Some Carbon Dioxide can be absorbed by trees and the ocean, but some CO2 can escape into the atmosphere.
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