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#1
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The only thing certain today is that temperatures are higher than they
were a few decades ago. The causes are unknown, the future trend is impossible to determine. Human activity may or may not be a factor. There is a consistent tendency among human beings to overestimate their importance and influence on the biosphere, and this should be kept in mind when speculating. Well put. -- Jay Honeck Iowa City, IA Pathfinder N56993 www.AlexisParkInn.com "Your Aviation Destination' |
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Jay Honeck schrieb:
The only thing certain today is that temperatures are higher than they were a few decades ago. The causes are unknown, the future trend is impossible to determine. Human activity may or may not be a factor. There is a consistent tendency among human beings to overestimate their importance and influence on the biosphere, and this should be kept in mind when speculating. Well put. But completely wrong. |
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Stefan writes:
But completely wrong. If only that were true. We know very little about the atmosphere of the planet and about large-scale weather patterns, even though we know the equations that govern atmospheric phenomena on a small scale. We do not have enough data to accurately predict the weather, and there is no way to get enough data. Even if we had it, we don't have the computing power to make use of it. All weather prediction beyond 24-48 hours is based to a large extent on speculation. The chaotic behavior of weather ensures that we cannot get it right for more than a very short period in the future. Over the long term, the number of variables increases by orders of magnitude. We don't understand the effects of any but a handful of them, and even then, their long-term effects are unknown. We have no way of knowing anything at all, really. We like to think that we know it all, and we like to think that changes are our own doing (even when they are bad changes), but we are woefully incorrect on both counts. The future also depends on other variables that we cannot know in advance, such as solar energy production. It depends on variables that we haven't discovered yet, much less accurately measured. While it's commendable to reduce the amount of greenhouse gas produced by human beings, we don't really know if it will make any difference, nor do we know if it has made any difference thus far. We can only guess. It seems that the most difficult thing for human beings to accept is humility. -- Transpose mxsmanic and gmail to reach me by e-mail. |
#4
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Stefan wrote:
Jay Honeck schrieb: The only thing certain today is that temperatures are higher than they were a few decades ago. The causes are unknown, the future trend is impossible to determine. Human activity may or may not be a factor. There is a consistent tendency among human beings to overestimate their importance and influence on the biosphere, and this should be kept in mind when speculating. Well put. But completely wrong. Only in the minds of politicians and "scientists" looking for grant money from politicians. Matt |
#5
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![]() Stefan wrote: Jay Honeck schrieb: The only thing certain today is that temperatures are higher than they were a few decades ago. The causes are unknown, the future trend is impossible to determine. Human activity may or may not be a factor. There is a consistent tendency among human beings to overestimate their importance and influence on the biosphere, and this should be kept in mind when speculating. Well put. But completely wrong. You have exactly a zero percent chance of knowing that. |
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