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Tool Talk Discussion Forum

Re: enviromental concerns ?

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MarkB_MI

09-28-2013 18:29:27
75.218.57.247



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Thanks, LDJ. That's a step in the right direction. If we can accept a common starting point, then we can move on to things that are actually up for debate:

What's causing global temperatures and CO2 levels to rise? Are they related?

What will be the effects if these trends continue?

Is there anything we can do to stop and even reverse trend?

To be sure, nobody can be absolutely sure what's causing temperatures to rise. Scientists suspect it's caused by greenhouse gases, but there could be some other cause. Nobody has proposed an plausible alternative cause, though, so that leaves CO2 and other greenhouse gases as the most likely culprit.

As for rising CO2 levels, does anybody really believe it is not caused by burning fossil fuels?

I sincerely hope the most alarmist predictions of the effects of global warning don't come true. But even if they don't, it's reasonable to assume a warmer earth will be a quite different earth than we have today.

Can we avoid catastrophe? I don't know. There's no doubt that reducing carbon emissions will cost a lot of money. Even if we do, it could well be too little and too late.

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T in NE

09-29-2013 10:00:04
75.234.196.179



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 Re: enviromental concerns ? in reply to MarkB_MI, 09-28-2013 18:29:27  
Rising CO2 levels won't be double what they were before the industrial revolution until after 2050. But it still won't be what it has been at different points in history.



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