by Jennifer Coote
Introduction
K. Kawamura et al report, Nature, 23 August, 07, pp. 912-913, that a new chronology of Antarctic climate change over the past 360, 000 years supports theories that insolation in the higher northern hemisphere latitudes is the driving force for climate cycles in Antarctica covering the last four interglacials, with a southern phase lag of a few millennia.(continue…)