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" They give us temperature readings for the turn of the 20th century and never say "how" that figure was arrived at. So without knowing that it leads one to think that the figures are being pulled out of the air"

It's rather straightforward,the temperature are taken in several hundred places,several times a day,in the widest "spread"of areas available.These temperatures are then averaged out and compared to other years, usually 1971-2000. There has been a global rise in temperature over the last decade.This doesn't mean that the average temperature is the same at every weather station,or that each year has seen the same increase.In fact over the last two years the temperature has been flat.
As for paying taxes,there isn't really any multi-lateral taxes in place.In my opinion,as climate change is global,there should be global solutions,including a global tax regimen..It should be aimed at the largest polluters,USA,Europe,China etc.The monies raised should then be used to help the nations most effected,Pacific and Indian ocean islands,Bangladesh etc.
The amount of evidence concerning global warming is overwhelming. There are a few percent of scientists,3-5% that question global warming.There are some books and studies, that argue human behavior has nothing to do with global warming, but they are very few compared to those whose that argue the opposite.
I do think that there is a more complex cause to global warming,then just Co2,but it is a major constituent. Human behavior is impossible to ignore in any calculation conserving the warming of our planet!
As for man having all the answers and control,Id say the opposite,man has totally lost control.

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