Yes, over 100's of years the earth will eventually become hotter due to global warming.
2006-11-29 08:30:46
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answer #1
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answered by Anonymous
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We don't really know. There is no doubt that the climate is changing but it has been doing that for billions of years. The evidence that man is making the earth warmer is very weak.
In the first place you have to establish that the earth is truly getting warmer. A temperature increase of one degree in more than 100 years does not constitute proof. Instead, it very easily could be regarded as a statistical fluke. Next you need to compare the temperatures with the temperature range over a period of years. When we do that we find that the earth is actually cooler than it has been many times in history. In fact, it is cooler than the average temperatures over the last 60 million years. Modelling has been done in an attempt to establish these points and have shown what appeared to be a warming trend. However, the models are not accurately representing what is really happening. There are huge differences between what the models say should be happening and what really is. The models are untrustworthy so we need better models before relying on them.
If you do establish there is a warming trend, you next must eliminate all the other possible causes. Has the sun changed it's output? There is evidence that the sun is hotter than it was 150 years ago, how does that impact the earth? The shift in the magnetic field causes the earth's mantle to heat up a little, how does that effect the air temperature, and more importantly, the deep sea temperatures? Has cloud cover increased or decreased? Clouds reflect sunlight back into space while suppressing heat radiation at night. Do greenhouse gasses really cause warming? Even that has not been reliably demonstrated under atmospheric conditions.
Is man causing the increase in greenhouse gases that allegedly cause warming? First we must account for the amount of greenhouse gasses caused by other sources. Plants produce them, as do volcanoes and they even bubble up from the bottom of the ocean. What is man's contribution? Carbon dioxide is the one we discuss the most but our output is tiny next to what the earth produces through volcanoes and forest fires, to name a couple sources. But what about the methane that bubbles up from the ocean floor all over the world? In theory, that is a much better heat trapping gas than CO2. Plants also produce methane, the tropical forests produce tons of it every year.
Then what about the things that deplete (so called) greenhouse gasses? Plants grow better and faster when there is more CO2 in the air in turn absorbing more of the gas. Methane leaks out of the atmosphere into space because it is so light. There are others but you get the point.
There are hundreds of other undecided issues that make it seem unlikely that we have any idea as yet what is really going on. That isn't to say we should be destroying our environment. It does mean that we do not know what is going on despite the ravings of various groups.
2006-11-29 08:59:54
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answer #2
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answered by Anonymous
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To hear many politicians, scientists, activists, etc. tell it, absolutely. In fact, if anyone attempts to dispute their findings or point to evidence of alternative conclusions (either that the Earth is not going through a period of catastrophic warming or that it is warming, but not due to human activity), they are labeled as kooks or oil company hacks, and the global warming crowd proclaims the debate to be closed.
It isn't exactly that cut and dried, however. The methodology used to substantiate the warming trend is questionable (the placement of almost all temperature stations in heavily-populated areas, only looking at temperatures for the last hundred or so years, etc.), and even assuming that the Earth is warming, there's no guarantee that human activity has more than a negligible effect on it. Remember that this planet has cyclically warmed and cooled for millions of years before automobiles or the Industrial Revolution.
By the way, it wasn't but three decades ago that the scientific hysteria du jour wasn't global warming--it was global _cooling_. Check out the article I linked to for that, and then try to figure out how the same scientists who pushed this thirty years ago are now proclaiming themselves 100% certain that we're now warming the planet towards extinction.
2006-11-29 08:50:31
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answer #3
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answered by bgdddymtty 3
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The answer to the question you asked is definitively yes. The human race burns fossil fuels realesing energy stored in those fuels as heat. Therefore, we make the Earth hotter, but probably not in any noticeable way.
If you meant to ask whether mankind is making an appreciable difference to the planet's temperatures, via the realease of greenhouse gases, then that is a question that is much more open to debate. The general consensus amongst climate scientists is that we are.
2006-11-29 09:10:54
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answer #4
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answered by Tim N 5
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Global warming is a topic that generates a lot of heat.if you read only the popular press,youd yhink climatescientists cannot agree on the matter.some french scientists wrote one of the first papers on greenhouse gases in the 1800s.they noted that the sun throws its heat upon our planet.inturn the ground heats up,and radiates its warmthback into space..it the earth were no atmosphere,the average surface temperature on earth would be -15 degree C.(which is what it is on the moon).but the natural greenhouse gases in our atmosphereblock some if this heat radiated from the surface and send it down to the ground again.these natural greenhouse gases lift the average surface temperatur of the earth by about 30 degree c,to more pleasant 15 degree C.Since the modern industrialisation began .carbon dioxide levels in the atmosphere have risen by 30%.the average global temp increase over the wholr of 20th century because of increased emissions of carbon dioxide(from the burning of fossil fuels),while the average resulting rise in ocean level was about 20cm.this might not sound much,but increases so rapid and high havent been seen for nearly a million years...there is agrrement that carbob dioxide levels are increasing and that is ,in turn,is increasing temperature and ocean level..reflects the fact that scientific consensus has been reached: THINGS ARE HOTTING UP
2006-11-29 08:57:52
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answer #5
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answered by kiki_freelove 2
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Know one said they new the answer to that for sure, Because they was wrong about Einsteins, Relativity and other things. But I will tell you the Truth..Yes, Any planet created in the Universe has a designed Chemical Mass. A planets chemical Mass determans it's upper atmosphere layers and layers pressures.
Example: Look at the moon compared to the Earth Mars or Saturn...See!...The correct Relativity is not that a planets Mass is putting pressure on space but that Vacuum Relativity is the answer. If you use the inner chemical design of any planet with a upper atmosphere, at some point in it's future history you will affect it's atmosphere. ( You deserve to know the Truth without lie's cause you was created here! )
2006-11-29 08:45:51
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answer #6
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answered by Anonymous
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Well, man is making the atmosphere hotter by adding more green house effect gases to it, that trap the sun's heat, but the center of the earth is constantly cooling.
2006-11-29 08:31:34
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answer #7
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answered by monomat99 3
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global warming isn't making weather hotter as much as making temperatures more even. thinking everything will be hotter is a misnomer. the greatest effects will be in warming the polar ice caps which are melting. think of it as kind of like throwing a blanket over your bed -- you don't get any warmer -- you are still the same temperature but the atmosphere around your body under the blanket stays warmer. hope that helps -- its not the best analogy but better than thinking everything is getting hotter.
2006-11-29 08:39:55
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answer #8
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answered by Anonymous
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Judging by the frigid weather that just hit my state.....NO! :)
2006-11-29 08:30:46
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answer #9
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answered by spikeyblonde_22 3
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