In short, Strategy 2 generates
unambiguous evidence about the existence of peer effects, but the range of estimates is somewhat wide: 0.10 to 0.55 points is a plausible summary of the range, given the various results and known biases.
Ending up with nothing that challenges or requires amendment to AGW, the IPCC, the clear and
unambiguous influence of moderate volcanoes, or the vastly rationally superior views expressed by Jennifer Francis
about the influence of AGW on the Jet Stream as supported by direct high quality unfiltered
evidence, and through the Jet Stream on extreme weather: http://www.youtube.com/watch?v=tY0RdXmLGdU