Lindzen: A recent exchange in the Boston Globe clearly illustrated the sophistic nature of the defense of global warming alarm

WUWT
Even the IPCC recognizes that climate change has always occurred – including a warming episode from about 1919 to 1940 that was almost identical to the warming episode from about 1978 to 1998 that the IPCC does identify with human activities. However, all the claims cited by Dyson are frequently made by politicians and environmental activists (including Ban Ki Moon, Secretary General of the UN), and the IPCC scientists never really object. Why should they? Support for climate science (a rather small backwater field) has increased from about $500 million per year to about $9 billion. "