The government on Tuesday announced plans to reduce greenhouse gas emissions by 26 to 28 per cent of 2005 levels by 2030, well below the level recommended by the independent Climate Change Authority which advises the government on the issue.
In Adelaide today, Abbott defended the target, saying it was on a par with that of the United States and far better than those of South Korea and China, the world's biggest carbon polluter.
"So let's not have anyone say that this is a government which is indifferent to environmental outcomes."
The Climate Change Authority has suggested a target of cuts of more than 40 per cent.
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"The government's target of a 26-28 per cent reduction in total emissions (which is what counts most when it comes to containing global warming) would put Australia at or near the bottom of the group of countries we generally compare ourselves with," the authority said in a statement late yesterday.
"And in per capita terms, our emissions will remain about the highest of the wealthy, developed countries," he told the Australian Broadcasting Corporation today.
With its heavy use of coal-fired power and relatively small population of 23 million, Australia is considered one of the world's worst per capita greenhouse gas polluters.
Asked about Abbott's claims that the proposed per capita reductions were better than any other comparable country, Fraser said: "There are different ways of presenting these kinds of figures and I think the fact is that, in per capita emissions terms, Australia's still going to be pretty much out in the vanguard, whatever the reduction is."
Fraser said Australia's targets were "pretty clearly at the bottom" and did not match the requirement needed.