“Mitigating the rate and extent of global warming - an editorial essay”, Climatic Change, vol. 52, pp. 255-262, 2002.
, “Millennial timescale carbon cycle and climate change in an efficient Earth system model”, Climate Dynamics, vol. 26, pp. 687-711, 2006.
, “Climbing the co-evolution ladder”, Nature, vol. 431, p. 913, 2004.
, “Tipping elements in the Earth System”, Proceedings of the National Academy of Sciences, vol. 105, pp. 1786-1793, 2008.
, “Tipping elements in the Earth System”, International University, Proceedings of the National Academy of Sciences, vol. 105, pp. 1786-1793, 2008.
,