How will climate change impact Tasmania?
Dr Peter McIntosh from the CSIRO department for marine and atmospheric research projects a few possible scenarios from the computer model he ran for Hydro Tasmania.
Slideshow of Tasmanian photographs by Tasmanian Arc 2008
Hydro Tasmania says it cannot guarantee water supplies to the $2 billion Gunns Limited pulp mill.
The news comes as water flows in the South Esk basin plummet because of drought.
As well, Hydro Tasmania has reduced generation and thus water releases from Great Lake.
The level of the lake has dropped to 15.9 per cent of capacity ahead of a weekend of high evaporation because of hot weather.