Jennifer Marohasy

Why have we been in an out of drought for the last 15 years? Why has the distribution of rainfall over Australia changed? Perhaps we have a combination of natural variability combined with stratospheric ozone depletion, tropospheric greenhouse gases, and atmospheric aerosol pollution. This is the subject of a note from [...]

Here’s a typical Norwegian coastal whaling boat leaving harbour. The boat is 25m long. A typical quota for a boat this size would be 15-20 minkie whales.

For photographs: www.whalephoto.com.

The ability of farmers to feed the world is being eroded by three different factors: meat, heat and biofuels. At least that’s according to Gwynne Dyer in an interesting piece entitled ‘How long can the world feed itself?’.
He may be right on meat and biofuels, but I don’t see ‘heat’ as a big [...]

To what extent can technology protect communities from climate extremes through early warning and disaster response strategies and by having appropriate building plans, codes and drainage infrastructure? Here’s a comment from Paul Williams who’s been thinking about the situation in South Australia:
“Scientists such as Tim Flannery, the CSIRO, our Premier Mr Rann and the [...]