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Originally Posted by photon
Ah but we do hear those things from scientists. "If we start the LHC the earth will NOT be destroyed." "If people stop taking vaccines we will see a resurgence of previously defeated diseases like measles and such." "Unless we restrict fishing of x species to y levels the species will be wiped out". "Unless we remove substance abc from food d there will be an increase of bad thing e". And on and on.
Al Gore isn't a scientist. What politicians and the media say about scientific matters is usually best thrown away if understanding is what's desired.
If you read the papers they say the same thing as other scientists... "If this trend continues this will happen, and these are the variables that can impact that", or they point out that what will actually happen is unknown, because the temperatures and other things are moving outside historical ranges.
And waiting for a perfect understanding before doing anything would mean we'd still be in caves.
You're conflating to completely different things. They still make and understand how computers work despite not being able to harmonize gravity with the quantum world.
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Sure, but these things are verifiable. They can prove what they are saying about vaccines by pointing out numerous precedents from the past when vaccines did work.
Can you point out measures to reduce carbon emissions taken in the past that significantly reduced global temperatures? And that's the thing. If bad understanding of physics mean we make faulty computers, no harm done, really, we try to build them another way.
However the impact of measures to reduce carbon emissions will be significant (see my post above) and the results are dubious at best. Even if we reduced global carbon emissions by 50% tomorrow by spending XX bilions of $, what will be the impact on the temperature in 100 yrs?
I read somewhere that even if we do cause global warming and even if we reduce carbon emissions it will have a neligible impact in the grand scheme of things.
I think the liberals are about to royally screw up the global economy (again) and the outlook for a positive result is bleak at best and many many decades away.