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#81 | |
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The earth does go through heating and cooling cycles, but you're view is unrealistic. Our CO2 level contentration in the atmosphere is twice as high today as it has even been over the last million years. Projections say if the trend continues the levels will be up to 5 times higher by 2100. The world is growing quickly, china and india going through industrial booms. The effects of global warming are not going to improve. Your so called cooling trend is going to come, but its not going to be pleasant. If anything the excess heat is going to trigger a pseudo iceage that will devastate the economy. People feel immune to these sort of issues, as if they don't apply to them specifically or something...kind of like a teenager that just gets their liscence thinks they can speed and not get in an accident. This is a real issue. Changing the chemical composition of the planet is going to have consequences.
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Last edited by Reach; 03-4-2007 at 04:19 PM.. |
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#82 |
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FFR Player
Join Date: Nov 2006
Posts: 117
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Well from what I've read the American government goes to great lengths to cover up or get rid of research giving evidence for climate change.
http://www.ucsusa.org/scientific_int...-pressure.html |
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#83 |
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FFR Player
Join Date: Nov 2006
Posts: 551
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African american for the win!
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#84 | |
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FFR Player
Join Date: Feb 2007
Posts: 38
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When you say 'projections' you're not using the definition of that word correctly (You might know what it means but I'll continue my point...). What scientists measure in CO2 levels in our atmosphere is only a very small portion of time. The whole 'global warming problem caused by CO2' idea is based on measurements from only a few years time (Maybe a decade but still not long). Much of science doesn't take into consideration that 1-technology is advanceing and there will be ways to reduce CO2 in the atmosphere and 2-it's still not 100% proven that CO2 is the main cause of the current warming cycle. As for you idea of an iceage. The earth will begin to coll in future decades but far from any iceage. You need to stop over reacting, no iceage is going to come from CO2 as of now. I'm not saying it's impossible, I'm saying the way things are going now it's improbable. Last edited by das1ngerplayer; 03-7-2007 at 10:30 PM.. |
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#85 | |
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#86 | |
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A very small portion of time? No, you are wrong here. We can extract CO2 data that shows us the levels from the present day to nearly a million years ago. Here's a graph I found. ![]() And of course CO2 isn't the only cause for global warming. That doesn't mean that the scientific concensus across the board isn't that global warming we are seeing is manmade, though.
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#87 | |
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is against custom titles
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--Guido http://andy.mikee385.com |
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#88 |
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FFR Player
Join Date: Nov 2006
Posts: 551
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Theres already been a decrease in the ice caps. I will look for the article but a large part of one of the ice caps fell off because of high water tempatures. Then the other ice cap was melting and some scientists had to leave the cap because of the unstable features. I'll look for the article.
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#89 |
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And just an FYI, I didn't just get this whole thing off the picture of the polar bears trapped on the piece of drifting ice, and I certainly hope that noone else does.
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#90 |
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http://en.wikipedia.org/wiki/Global_warming
![]() ![]() ![]() ![]() ![]() ^I think we should pay attention to this to most in the subject of glacier damage. Edit: There's a huge increase in South America as well. This might be due to the annihilation of the Amazon. Last edited by purebloodtexan; 03-5-2007 at 06:07 PM.. |
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#91 |
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FFR Player
Join Date: Nov 2006
Posts: 18
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We can get past Carbon dioxide levels by taking samples of ice, which provide a snapshot of a time period's atmospheric makeup. The Earth does go through cycles of climate change (due to oscillations in the angle of the axis around which the Earth rotates), but the change we're going through now has deviated drastically from these patterns. Most scientists agree that global warming is caused by anthropogenic gases (such as carbon dioxide).
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#92 | |
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FFR Player
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I think its interesting how this went from talking about the new president to a heated global warming debate, but ill take a swing. It has been proven that there has been a reduction in Ozone holes and whatnot as well as smaller polar cap glaciers. However, this proves only two things; 1. That it is possible to heal some of the things we have done to the planet, and 2. That damage to the planet is still happening and the momentum of it may be hard to completely stop, if possible at all. The way i see it is that only by a massive combined effort can we help at least to slow down the process of destruction to the point where it isn't a problem anymore. Last edited by slipstrike0159; 03-6-2007 at 03:49 PM.. |
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#93 |
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FFR Player
Join Date: Nov 2006
Posts: 551
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We're all dead.
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#94 | ||
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FFR Player
Join Date: Feb 2007
Posts: 38
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As for the ice caps, it would take a temperature decrease of about 3.5 degrees C in a short time period to cause major damage to the polar regoins. If there was not going to be a cooling before the year 2100 and that CO2 is the primary cause for global warming then yes, all those charts and graphs would be true. Since recent warming and cooling periods in the past have not lasted over a century, and mass produced gases are not the main factor in global warming, it's safe to say that those predictions are based on what scientists want, not the reality of things. There is still a chance that gobal warming oculd become a serious issue, however, at the rate of temperature increase now and the cycle we've seen in recent past years do not add up to anything disastrous at the moment. For those of you who think I'm making this up, I did some research on the subject and I know what I'm talking about. Also, excuse any grammatical mistakes you see, I'm no english major so I make plenty mistakes. Quote:
Last edited by das1ngerplayer; 03-8-2007 at 06:14 PM.. |
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#95 | |||
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Last edited by Reach; 03-8-2007 at 11:23 AM.. |
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#96 | |||
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Join Date: Feb 2007
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I get the idea from scientists who agree that global warming is natually occuring. If you read evidence gathered by these scientists, you should get that warming and cooling periods don't normally last more than a century. Proof supporting that is in the past hundreds of years.
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Last edited by das1ngerplayer; 03-8-2007 at 06:22 PM.. |
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#97 | |
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FFR Player
Join Date: Nov 2006
Posts: 117
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the hole in the ozone layer was never caused by CO2 emissions, it was caused by CFCs, and a reduction in the use of CFCs is whats causing the ozone hole to shrink |
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#98 |
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I think the hole was caused by greenhouse gases in general, but please do explain what CFC's are.
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#99 | ||||
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FFR Player
Join Date: Aug 2005
Location: Banned
Posts: 1,770
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![]() According to this chart, we're at the peak of a naturally-occurring cycle involving concentration of CO2 gas. Add our effects on the amount of CO2 in the air, and we've got the highest amount of CO2 for at least the past half of a million years. Notice how the low points of the graph correspond with Ice Ages, however minor they were. What does that mean the high points stand for? Quote:
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CFC's (or chloroflourocarbons) were commonly used in refrigerators and air spray cans before the 1980's. The chlorine in them has a disastrous effect on the ozone layer, and can break up to a hundred thousand ozone molecules before it is removed from the stratosphere. Fortunately, they were removed from popular use, but according to Wikipedia, they can last in the ozone layer for up to a century. Estimated recovery time is 2065-2070, but by then we might all be screwed.
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Last edited by FFR4EVA_00; 03-10-2007 at 11:32 AM.. |
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