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OT: Moorabal/Lal Lal wind farm 15-Jul-2009 At 4:55:37 PM anthonyk

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On 15/07/2009 R James wrote:

I think we've been over this stuff before. in short there are natural explanations for early 20th C warming but human CO2 is the best explanation for late 20th C temperature variations. we're getting into a discussion of how much effect each part has, not just whether they're present or not, and there's only so much we can really say about that.

the models are complicated, they do take into account all known solar, volcanic and other forcings, and I don't think you can come up with a better argument just by looking at numbers and forming your own opinions, you really do need a phd in it. there are plenty of people who do who are willing to give varying opinions and give it a critical look, and the conclusions really do point consistently to ACC. sorry i don't want to spend any more time picking over DIY climate science, there does come a point where it gets beyond comparing a few charts on the internet.