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New Scientist is one of the 2 most respected peer reviewed science journals. They put together a portal www.newscientist.com/hottopics/climate/ with a FAQ www.newscientist.com/hottopics/climate/climatefaq.jsp it’s brief, here’s a sample: "So does this mean there are some scientists who don't believe in the greenhouse effect or global warming? No, this is a myth. All scientists believe in the greenhouse effect. Without it the planet would be largely frozen. And all scientists accept that if humans put more greenhouse gases in the atmosphere it will tend to warm the planet. The only disagreement is over precisely how much warming will be amplified by feedbacks. And there is a growing consensus that the average global warming of 0.6 °C seen in the past century - and particularly the pronounced warming of the past two decades - is largely a consequence of the greenhouse effect. " www.newscientist.com/hottopics/climate/img/spread-2-2.jpg is a graph showing 8 centuries of steady CO2 levels then a hyperbolic increase starting with the industrial revolution. www.newscientist.com/hottopics/climate/img/spread-2-8.jpg is a graph showing a 5 degree rise in earth’s average temperature since 1860
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