“ Green? I thought water vapor was a green-house gas. In fact, the number one contributor to that effect for this world. Do you suppose anyone has... (read full comment) ” 

Posted on September 21, 2011 at 8:25 AM EDT

“ Cap and Tax Wonderful idea. Unfortunately, here in USA, Cap and Tax will likely obliterate any fuel cost savings for electric vehicles. (read full comment) ” 

Posted on October 19, 2009 at 10:51 AM EDT

“ Ethics Wow. Seems we just cannot divorce science from politics. Here we bemoan GW's ban on embryonic stem cell research as setting back this... (read full comment) ” 

Posted on June 30, 2009 at 8:10 AM EDT