http://video.google.com/videoplay?docid=-4520665474899458831
Enough said.
2007-03-16 15:42:56
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answer #1
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answered by sparkletina 6
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Volcanoes and fires can't possibly be the cause because CO2 concentrations have been rising steadily, without even a tiny spike that would be expected if volcanic eruptions and fire events had any significant role.
Heat absorption by man-made structures theoretically reduces the solar energy radiated back into space, but the total surface area is not large enough to be significant.
Deforestation could be a contributor. But that's still related to greenhouse gases through the carbon cycle (photosynthesis, respiration, and all that). When you cut down a forest, all the carbon in the trees and a lot of the carbon in the soil is released into the atmosphere as CO2.
Global warming is almost entire caused by the greenhouse gases released from fossil fuels that are burned to power the stadium lights, clothes dryers, ovens, airplanes, etc....
2007-03-16 14:44:31
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answer #2
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answered by kevinb 2
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The biggest cause outside of man is increased solar radiation which may be responsible for about 10%.
http://www.ipcc.ch/SPM2feb07.pdf
Page 4.
Volcanoes are not a cause.
http://www.geology.sdsu.edu/how_volcanoes_work/climate_effects.html
There's not enough blacktop, asphalt roofs, or heat absorbing colors (other than natural ones) to be significant.
Appliances, incinerators, stadium lights, stoves and furnaces, airplanes, and factories are a cause simply because they emit greenhouse gases or require power which is created by burning fossil fuels and emitting greenhouse gases..
2007-03-16 15:35:47
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answer #3
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answered by Bob 7
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Volcanoes and fires can no longer in all probability be the reason because of the fact CO2 concentrations have been increasing gradually, with out even a tiny spike that must be anticipated if volcanic eruptions and fire activities had any substantial function. warmth absorption by guy-made structures theoretically reduces the photograph voltaic capability radiated back into area, however the full floor area isn't sufficiently huge to be substantial. Deforestation could be a contributor. yet it quite continues to be with regards to greenhouse gases for the period of the carbon cycle (photosynthesis, respiration, and all that). once you chop back down a wooded area, all the carbon in the wood and countless the carbon in the soil is embarked on the ambience as CO2. international warming is very virtually entire brought about by the greenhouse gases released from fossil fuels that are burned to means the stadium lighting fixtures furnishings, clothing dryers, ovens, airplanes, and so on....
2016-10-02 06:14:03
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answer #4
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answered by eidemiller 4
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everything you mentioned had to be produced at one time so at least originally yes. someone mentioned that during dinosuars co2 was 4 times higher BUT the plant life was way more abundant and probably worked with it. now our ability to create the gas on the fly is greater. and we wiped out the correction factor. can you dig it.
2007-03-16 14:24:08
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answer #5
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answered by Wattsup! 3
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The major cause of temperature changes on Earth has to do with the Sun, either solar activity increases, i.e. sunspots, or the tilt of the earth rotational axis changes. These have the most effect on the Earth's temperature.
2007-03-16 14:21:27
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answer #6
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answered by Anonymous
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its called the nature of the beast the earth will go through cycles we wont be around to see but all this warming crap is getting the earth ready for another ice age i think we have done enough to piss it off so now its our turn to get screwed by it
2007-03-16 14:31:25
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answer #7
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answered by milifis frikngret 2
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Don't tell the people in New York about global warming.
And don't forget about the global cooling scare in the 70' we did away with the ozone layer and, and, and. It is just one more political agenda. I don't know why but there are people who want you and me to stop living. Educate yourself, find out who they are and don't vote for any of them.
2007-03-16 14:40:39
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answer #8
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answered by gimpalomg 7
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those are all examples of greenhouse gasses...you left out farts
2007-03-16 14:22:30
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answer #9
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answered by Anonymous
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political rhetoric.
2007-03-16 14:24:50
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answer #10
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answered by Brat Àla Mode 4
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