They included global warming in their calculation and analysis. Could skew all the results. Scientists have really lost a lot of credibility lately. Why should we believe this version of "doom and gloom"? Just 27 hand picked scientists is not much of a consensus.You had more scientists for global warming and that was completely faulty analysis.
source: http://www.msnbc.msn.com/id/43479398/ns/world_news-world_environment/t/oceans-heading-mass-extinctions-experts-warn/
