Recent opinion polls suggest the Australian population is unconvinced by warnings of global warming, which is a worry. I’ve just finished reading Paul Gilding’s book The Great Disruption, which is an engaging combination of dire warnings and persistent optimism. He’s basically saying we’re using up the Earth’s resources at an unsustainable rate – it’s as if [...]

Volcanic ash clouds might not be all bad and there is even some comparatively good news in the study of rising sea levels. Both issues will be up for discussion in the coming week at the 25th general assembly of the International Union of Geodesy and Geophysics (IUGG) which opens on Wednesday in Melbourne. Discussion [...]