The coalition has denied that delays in reaching a position on climate change will lead to business groups being more closely aligned with government efforts reduce emissions.

Weeks before Labor is set to unveil its 2035 emissions target, a Business Council of Australia report found a target of cutting emissions by 70 per cent would need capital investment of $530 billion.

The coalition has yet to announce a formal position on emissions reduction and Opposition environment spokeswoman Angie Bell said modelling had not been done as part of its policy review.

Ms Bell said the opposition were "methodically" going through detail for its emissions policy, but denied suggestions the long time period to reach a decision signalled uncertainty to groups such as the business community.

"Business

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