Revisiting climate thresholds and ecosystem collapse. Issue 2 (1st March 2011) - Mumby, Peter J; Iglesias-Prieto, Roberto; Hooten, Anthony J; Sale, Peter F; Hoegh-Guldberg, Ove; Edwards, Alasdair J; Harvell, C Drew; Gomez, Edgardo D; Knowlton, Nancy; Hatziolos, Marea E; Kyewalyanga, Margareth S; Muthiga, Nyawira