Some people spend hours arguing tree rings, ice core samples and moving weather stations as if that will prove AGW. Don't worry about it. Think of it as misdirection. Whilst you are reading a science journal, bureaucrats are figuring out new ways to take control of our lives by politicising the idea of Climate Change to ensure uncontested implementation of whatever policies take their fancy. Climate Science 101 is very simple. Don't look at the problem, don't even look at the political justifications to solve the problem, instead focus very hard on what the policy implementation is going to be. If you work from there, you will get a very different perspective on the politics of climate change. For example, our local council has resisted, time and again, the need to build a dam to store water, whilst at the same time implementing a whole bunch of changes extremely detrimental to beach front owners. Their excuse for attacking water front property owners was the ...