Scientists claim just one per cent of country's geothermal resources could meet its energy needs for 26,000 years
Government report warns "critical human needs" under threat as key river system dries up
Three quarters of the economy to be covered by new carbon trading scheme
Government argues reporting is necessary to underpin cap-and-trade scheme, but business group claims new rules will prove onerous and costly
With emissions continuing to soar Australia turns to carbon capture as best means of curbing emissions
Geothermal projects in Australia and New Zealand aim to provide sizable chunk of countries' energy needs