Not true - on the intervals 1945 - 1975 and 1998 to 2009 - dy/dt < 0. Not exactly cherry picking - you have to understand something of the theory of complex systems as it applies to climate.
But it is not relevant to policy. The policy question is what is the best methodology for reducing greenhouse gas emissions most quickly. On Dec 26, 12:14 pm, "Don Libby" <[email protected]> wrote: > From: "Robbo" <[email protected]> > Newsgroups: gmane.science.general.global-change > To: "globalchange" <[email protected]> > Sent: Friday, December 25, 2009 5:14 PM > Subject: [Global Change: 3323] AGW Scientifc Certainty > > >Period Trend (degrees C/decade) > > >1900 - 2008 0.07 > >1945 2008 0.11 > >1958 2008 0.13 > >1979 1997 0.11 > >1976 2008 0.17 > > >Table 1: A quick comparison of periods and temperature trends > > let y=temperature, let t=time > > dy/dt >0 for all t > 0. > > Does that tell you something? > > Thanks, > -dl -- You received this message because you are subscribed to the Google Groups Global Change ("globalchange") newsgroup. Global Change is a public, moderated venue for discussion of science, technology, economics and policy dimensions of global environmental change. Posts will be admitted to the list if and only if any moderator finds the submission to be constructive and/or interesting, on topic, and not gratuitously rude. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/globalchange
