“ Mostly true, but... any mention of carbon sequestration and storage (CCS) dilutes the argument. CCS on the scale required to make a difference... (read full comment) ” 

Posted on July 15, 2009 at 10:51 AM EDT

“ You point out an important distinction. CO2 derived from non-fossil carbon, namely the stuff we and all animals exhale, is merely the carbon in... (read full comment) ” 

Posted on March 5, 2009 at 10:23 AM EST

+ 1 more comment posted in this discussion

“ But using CO2 from fossil-fuel-fired power plants only delays its addition to the atmosphere, so that process would still add to global warming. ... (read full comment) ” 

Posted on April 26, 2007 at 10:30 AM EDT