Why Hasn't Earth Warmed as Much as Expected? Schwartz, Stephen E. ; Charlson, Robert J. ; Kahn, Ralph A. ; Ogren, John A. ; Rodhe, Henning Abstract Publication: Journal of Climate Pub Date: May 2010 DOI: 10.1175/2009JCLI3461.1 Bibcode: 2010JCli...23.2453S