One of the strongest pieces of evidence adduced in supporting of the theory of global warming are when Kolbert talks about mosquitoes. She talks about Bradshaw and Holzapfel when they look back on their own files of mosiquitoes. They originally thought the mosquitoes were genetically changing. Turns out as the climate had warmed, those mosquitoes that had remained active until later in the fall had enjoyed a selective advantage, presumably because they had been able to store a few more days worth of recources for the winter and had passed this advantage on to their offspring, and so on.
Also the glaciers melting is a strong piece of evidence for the theory of global warming. It has got to the point where shipment has ceased in Iceland because the islands remain icebound in the Summer. A third of the population has died in Vatnajokull. The "sun-home glacier" is 1,1000 ft. shorter than it was just a decade ago. One colleague for the Icelandic Glaciological Society believes that the ice caps will be so small on the highest mountains with the mass of the glaciers gone.
I believe that evidence is slowly but surely improving by each chapter to help prove more and more about global warming. We're still only up to chapter 4 now; time will tell how this ends up. Her objectivity may be a little impartial but the same thing with that; there's plenty of pages left to get a better perspective and opinion of Kolbert's objectivity. Her explainatory powers are good because I am understanding stuff that I would normally never understand.
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