The top 15 emitter countries could make deep cuts to emissions while also tripling economic output, according to the study
Australia could slash its carbon emissions to zero by 2050 and still experience average economic growth of 2.4% a year, according to a UN-backed study.
The Deep Decarbonisation Pathways report, released by the UN secretary general, Ban Ki-moon, analysed the 15 countries that account for 70% of greenhouse gases emitted into the atmosphere, which includes Australia, the US, Britain and China.