CO2 as a primary driver of Phanerozoic climate Royer, Dana L. ; Berner, Robert A. ; Montañez, Isabel P. ; Tabor, Neil J. ; Beerling, David J. Abstract Publication: GSA Today Pub Date: 2004 DOI: 10.1130/1052-5173(2004)014<4:CAAPDO>2.0.CO;2 Bibcode: 2004GSAT...14c...4R