There are multiple assumptions in my question, all of which can be wrong. (money.stackexchange.com)
As the National Academy of Sciences wrote in 1991, «Risk Assessment techniques are highly speculative, and almost all rely on multiple assumptions of fact — some of which are entirely untestable.» (truth-out.org)
RE: Just a little piecprsteve on the credibility of the authors of the study: Study co-author Dr. Roy Spencer, a principal research scientist at the University of Alabama in Huntsville and U.S. Science Team Leader for the Advanced Microwave Scanning Radiometer flying on NASA's Aqua satellite, reports that real - world data from NASA's Terra satellite contradict multiple assumptions fed into alarmist computer models. (policy-network.net)