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Old 11-30-2005, 10:53 PM   #1
JEM
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I am not sure about that. I believe that the survey you are citing is based on a limited sample to prove the author of your textbook's point. Also, factories are not the only problem: us breathing, volcanoes erupting, and cars driving also contribute to this problem. What are you talking about with the average temperatures being higher without the greenhouse effect? The greenhouse effect keeps warm heat in that "bounced off the earth." You are right in your point that too much CO2 is not the only problem contributing to global warming, but it does have a HUGE impact.
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Old 12-01-2005, 08:42 AM   #2
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Actually, globle warming is a huge problem. Okay...so the world isn't going to blow up in our faces TOMORROW but give it 50 years and:

a) Our land mass will have grown massivly (I'm just typing this up from my own knowledge so I can't give you an actually % RIGHT now but it is a surprisingly big amount.) Lake's, sea's other masses of water are shirnking at an unbelievable rate.

b)The average earth temperature will also rise, quicker than you would expect.

c) Our ozone layer is growing thinner because of the disgusting amount of carbon dioxide, greenhouse gases, pullution that is being expelled from manmade artifacts. Be it factories, cars, tractors, your heating system, etc.

d) Because our ozone layer is growing thiner and thinner this is causing all sorts of health problems. Skin cancer, being a large one. Asthma, obesity...another.

THIS IS A HUGE PROBLEM! You really have to think or your future generations when you make simple choices wether or not to bike or take the car (I know...that example is really overused!), use aerosal spray cans, eat organic food, etc etc etc etc....This is a massive problem, and the more we do about it the better.
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Old 12-01-2005, 03:38 PM   #3
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Quote:
Our land mass will have grown massivly
That's the one point where you're wrong: Land masses will actually shrink a little bit. Despite the heat making more evaporation of water [shrinking of lakes, desertification, etc.], the extra heat will balance this out by melting the polar ice caps. The ice caps are currently shrinking; if this accelerates the sea could rise 100-200 feet, putting a lot of the world's major cities underwater.
New York, Tokyo, Sydney, LA ... basically anything on the coastline? Gone.
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Old 12-01-2005, 05:24 PM   #4
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As a science geek, I know that part of what Isis just said is true. The coastline is expected to rise about 300 feet if all the ice caps in the antartic melt. This will not flood all the cities like it did in water world, but still will have a large effect.
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Old 12-01-2005, 05:49 PM   #5
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Oh that DOES make sense!

Way to go science buffs So then in say...150 years...the land mass WILL actually grow, being that all the polar ice caps have been melted away...right?
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Old 12-01-2005, 08:03 PM   #6
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are you serious? the coastlines will be gone! this may sound stupid, but does that mean the Bahamas would sink like Atlantis, because i have family there
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