claim: The fact that so many studies on climate change don't bother to endorse the consensus position is significant because scientists have largely moved from what's causing global warming onto discussing details of the problem ( eg - how fast, how soon, impacts, etc ).
evidence: International Council of Academies of Engineering and Technological Sciences ( CAETS ) in 2007, issued a Statement on Environment and Sustainable Growth : As reported by the Intergovernmental Panel on Climate Change ( IPCC ), most of the observed global warming since the mid-20th century is very likely due to human-produced emission of greenhouse gases and this warming will continue unabated if present anthropogenic emissions continue or, worse, expand without control.