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Global Warming (Is Not Cool)

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Jaspreet Behl

on 12 October 2014

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Transcript of Global Warming (Is Not Cool)

Global Warming
By Jaspreet Behl, Sergio Buzzerio, Sean Hansen, and Maya Rukshin
Example of Human Effect
CO2 in the Atmosphere
With the accumulation of CO2 (and water vapor) in the atmosphere, heat being reflected back into space is absorbed, and instead re-reflected back to the Earth. This causes the gradual increase of the Earth's temperature.
The Damage of Global Warming
2. Changes in Precipitation Patterns
Some areas will have more frequent droughts while others will be subject to heavier snowfall and rainstorms that could cause frequent flooding
Availability water decrease American West as more water falls as rain because 70% water streams West is melting snow
Increase frequency and intensity of storms over warm surface waters because as water evaporates it releases more energy into the atmosphere which in turn generates more powerful storms
Effects of Global Warming
1. Rising Sea Levels
Caused by melting polar ice, the retreat of glaciers, and the thermal expansion of the warming ocean
Rose 4 to 8 inches over the course of the twentieth century and is expected to rise an additional 19 inches by the year 2100
Rise sea levels will cause low-lying coastal areas to flood and be inundated with water and coastal areas that stay dry will be subjects of more erosion and other damage from more frequent and powerful hurricanes

What is Global Warming?
Gradual increase in Earth's overall atmospheric temperature
Generally attributed to the Greenhouse Effect
What is the Greenhouse Effect?
Human activities add gases into the atmosphere
The increasing concentration of gases leads to the increasing severity of the greenhouse effect

The warming of the Earth due to the accumulation of CO2 trapping solar radiation in out atmosphere.
As the global temperature rises, the effects on the Earth can be catastrophic.
Burning carbon containing fossil fuels (coal, oil, natural effects)
Land conversion (forest being logged/burned)
Old refrigerators and air conditioners
Combustion of cars
3. Effects on Organisms
Decline by 80% zooplankton populations in the California Current which flows southward from Oregon along the California coast have affected entire food web
Decline krill has resulted in a reduction of Adelie penguin populations and warmer temperatures have contributed to reproductive failure Adelie penguins because warmer temperatures cause more snowfall which when it melts leaves cold pools of slush on rocky outcroppings where penguins nest killing their eggs
Ranges temperate tree species shift northward as much 300 miles if temperatures increase 1.4 celsius to 5.8 celsius
Weeds, insect pests, and disease-carrying organisms may benefit from global warming
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1. Limit Deforestation
Less trees means less absorption of greenhouse gases which are responsible for global warming
Forests worldwide absorb 8.8 billion tons of carbon dioxide each year
Improved agricultural practices could quickly eliminate this significant chunk of emissions.

2. Limit/Eliminate the Use of Fossil Fuels

The burning of fossil fuels is the main cause of the large emission of heat trapping greenhouse gases (carbon)
Responsible for 40 percent of carbon emissions nationally.
Must reduce emissions from these power plants as well as find alternative sources of energy to reduce our reliance on fossil fuels.
By limiting the use of fossil fuels, will reduce emissions in the short term and provide for a better planet in the long term because we will be adapting different energy sources

3. Control Population Growth
6.6 billion people on the Earth today - requires 54 acres to sustain an average human being today
Per capita energy consumption must decrease to control global warming
Although the carrying capacity of the Earth is not perfectly known, it is clear that more humans means more greenhouse gas emissions- need more resources
Is beneficial to reduce the world’s population size in order to reduce the severity of climate change
This is because there are more resources available to support a smaller population- do not need to produce as many

Works Cited
Aliff, John Vincent, and Peter H. Raven. Environment. 4th ed. Hoboken, N.J: People's, 2004. Print.
Breining, Greg . "Bioenergy Connection."Planning a Future Forest. Energy Biosciences Institute, n.d. Web. 26 Sept. 2014.
Campbell, Neil A., and Jane B. Reece. AP Edition Biology. Seventh ed. San Fransico, Ca.: Pearson/Benjamin Cummings, 2005. 1203-1206. Print.
Goldner, Mark. "So... why should you care about the study of glaciers and glacial sediments?." PolarTREC. PolarTREC, 7 Aug. 2011. Web. 26 Sept. 2014.
Six degrees could change the world. Dir. Ron Bowman. Perf. Alec Baldwin, Rajendra Pachauri. National Geographic ;, 2008. DVD.
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