Fewer big Australian companies are identifying risks to their business from the carbon tax than was the case last year, a new survey finds.
However, the 2012 Australia and New Zealand report from the Carbon Disclosure Project still found almost three-quarters of the largest Australian companies said there were risks.
In New Zealand by contrast, where carbon pricing has been in place since 2008, less than half of companies surveyed identified risks from carbon pricing.
The annual survey of ASX200 companies - the 200 largest listed companies in Australia - was conducted before the carbon price started on July 1.
"With the commencement of Australia's carbon price behind us, most businesses are handling the transition with minimal upheaval," said report author BJ Pollock, a lead partner at Deloitte Australia.
The report found a decrease in the number of companies identifying risks to their business when compared with responses to the survey carried out in 2011.
But it noted there was continued uncertainty surrounding Australia's climate change policy, with the federal opposition still pledging to wind up the carbon tax if it wins government in 2013.
Just over one third of companies said carbon pricing was a driver of businesses opportunities - largely development of new products and services or increased demand for existing ones.
This was down from the 2011 survey, but the report noted this could be because "companies are adopting a `business as usual' approach now that the scheme is better understood".
The report found that while 80 per cent of the companies were doing at least one thing to reduce their emissions, less than half had a formal emissions reduction target.
Mr Pollock said this indicated a "less than strategic approach" which could mean the businesses incurred higher costs than necessary.
Of those businesses doing something to reduce emissions, three in five reported their measures related to energy efficiency.
Opposition climate change spokesman Greg Hunt said this finding vindicated the coalition's policy to replace the carbon tax with direct action initiatives.