Don't worry, global warming is a hoax. The warmest July on record was is the 1930's. The ice pack on Antarctica and Greenland is actually getting thicker. The very ones saying we are experiencing global warming were predicting a pollution induced ice age 25 years ago. Temper all their bad science with sound historical context before falling for these dialectics.
2006-08-07 10:30:38
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answer #1
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answered by mad_mav70 6
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It really depends on a great deal of things. Al Gore would love to have us all thinking that the Earth will overheat and incinerate us all if we keep driving cars, but it really isn't that simple.
The amount of CO2 in the atmosphere isn't the only thing that could be raising the temperature. You also have to factor in the consumption of CO2 by plants in photosynthesis. Put more of it in the atmosphere, and more of it will find its way into the leaves of plants.
That's not all, to say that human activity is responsible you also have to proove that the earth is not changing naturally, not easy to proove when there have been many ice ages and then mass extinctions occuring when the ice melts. There's also the issue of the magnetic field that blocks some solar radiation. It has reversed polarity many times and is said to be in the process of reversing again. The field weakens while the poles flip, so during that time more radiation can get in. More radiation, more warming.
The Sun could also be emitting more radiation, if that's the case it doesn't matter what the earth is doing.
2006-08-07 12:31:59
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answer #2
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answered by HolyAtheist 2
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Last I heard I believe the natural global weather cycle took something like 13,000 years. As arrogant as humans are about their capabilities, our affect on the environment is not great enough to significantly alter that schedule. So you've got some time (like thousands of years).
As for the effects of melting polar ice caps? I am skeptical that that will even happen. None-the-less, if it does it will take hundreds of years. It is highly likely that we will:
A) Kill each other off,
B) Occupy nearby planets/solar systems and/or
C) Learn to build higher and better
long before that actually happens.
Incidentally, I have traveled extensively around the US and have many friends and colleagues who have been or are overseas and I know the weather is changing everywhere. However, whether colder, warmer, drier or wetter depends greatly on your specific location. It is FAR more likely you will be affected by a localized weather shift long before you experience any serious flooding or cooling. My advice would be to watch your local weather patterns and not worry too much about where the "globe" is going with all this. And wear sunblock... seriously.
2006-08-07 11:14:04
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answer #3
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answered by filosfr_engnr 1
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The heat produced on the earth's surface because of the depletion of the ozone layer as it increases naturally results in melting of ice and evaporation of water. Then the next cycle starts of adequate rain fall due to the evaporated water. It definitely cools the landmass to some extent. I feel in the immediate future there should not be any problem because of the ecological balance.
VR
2006-08-07 14:48:36
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answer #4
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answered by sarayu 7
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dont worry it wont happen that quickly. global warming is already taking place but fairly slowly. a lot of glaciers in greenland are melting, but all of antartica's ice wont melt until well after you die, unless you plan on living a couple hundred or a thousand years... which i doubt :]
2006-08-07 10:30:25
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answer #5
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answered by Anonymous
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