Re: [geo] Jamais Cascio-- on the problematic idea of 350

2011-08-13 Thread Mike MacCracken
Hi John‹It would be good for those trying to understand the causes of ice age cycling and the potential sensitivity to read the papers of Belgian professor Andre Berger and his group, who have been looking at the roles of the various factors in contributing to climate change. Quite clearly, from

Re: [geo] Jamais Cascio-- on the problematic idea of 350

2011-08-13 Thread rongretlarson
markly...@zetnet.co.uk Sent: Friday, August 12, 2011 7:53:53 AM Subject: Re: [geo] Jamais Cascio-- on the problematic idea of 350 Hi Marty, I was just looking through some bulky emails to delete them, when I noticed this one on climate sensitivity. You put 2.5 degrees warming for CO2 doubling

Re: [geo] Jamais Cascio-- on the problematic idea of 350

2011-08-13 Thread Ken Caldeira
...@zetnet.co.uk *Sent: *Friday, August 12, 2011 7:53:53 AM *Subject: *Re: [geo] Jamais Cascio-- on the problematic idea of 350 Hi Marty, I was just looking through some bulky emails to delete them, when I noticed this one on climate sensitivity. You put 2.5 degrees warming for CO2 doubling

Re: [geo] Jamais Cascio-- on the problematic idea of 350

2011-08-12 Thread John Nissen
Hi Marty, I was just looking through some bulky emails to delete them, when I noticed this one on climate sensitivity. You put 2.5 degrees warming for CO2 doubling. It is interesting that the climate sensitivity has been reappraised, e.g. by Hansen giving 3 degrees [1] and by Wasdell