Yes, do dodge the bullet and not answer my questions. What will happen to the billions of people that will starve to death if you remove technology and science from society?
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Originally Posted by sushil_yadav
You need to think about the current environmental crisis which is likely to destroy most life on earth within this century.
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False. It will change the enviroment. Some species will die, some will prosper. And certainly humanity faces real challenges, but not on a genocidal scale.
The world have seen many climatic shifts over the billions of years since it formed, and none have been really catastrophic.
I'm not saying climate change is harmless, we should do our best to at least not accelerate it. But I doubt very much we can do much to hinder it, seeing as with or without humans and technology, climate changes have happened before and will happen again. And the current change is largely natural.
You seem to confuse change with disaster on the other hand.
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Originally Posted by sushil_yadav
Stop thinking about what might happen in a few million years.
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Huh? Who knows when another meteorite/asteroide of a significant size comes to visit? Even a small one, like the Tunguska meteor (
http://en.wikipedia.org/wiki/Tunguska_event ) would be quite catastrophic if it had happened over a densly populated area.
Do you have evidence that the next such event is millions of years into our future?
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Originally Posted by sushil_yadav
When was the last time a meteorite destroyed all life on earth?
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Ummm, let's see. Never. It have however destroyed the entire top of the foodchain. Possibly several times. And at the moment, the top of the foodchain is where we humans are at. And such an event will happen again unless we develop technology to stop it.
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Originally Posted by sushil_yadav
Besides, It is beyond Man's ability to prevent a catastrophe of that magnitude.
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Currently, possibly correct. But within a couple of decades of further research and technological development, that won't be much of a challenge. For the first time in the history of the earth, one species can save the entire planet from a disaster we know is likely to happen some time in the future. Are you seriously proposing we should abandon that path?
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Originally Posted by sushil_yadav
One space shuttle exploded during take off. Another exploded on the return journey. And here is someone talking about destroying meteorites in outer space.
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And? A couple of failures in research and experiment (which the space program is) does not mean that the entire idea of space exploration, research and technology is futile.
As for stopping meteorites, we've already done some remarkable experiments. We've gotten close to them to analyze them. We've landed on them. Soon we'll even put ion-rockets on them to see how that will work. Only through research can we stop the little buggers if they go on a collition course with earth. And intrinsic in research is failures. Not all experiments work. Either out of conceptual, technological or more often, human error.
Besides, who says we should destroy a meteroite on a collition course? Given ample warning, we can with current technology push meteors out of their projected path. Better technology just means the window for required warning need not be so long as it is today.
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Originally Posted by sushil_yadav
It is you who needs to get real.
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What is more reasonable, abandon modern society and technology out of some misplaced enviromental hysteria (and in the process create global famine) or confront current and future challenges, environmental included, by utilizing our collective experience and knowledge by furthering research and technology?