Cost of net zero by 2050 may determine whether Coalition abandons emissions goal, shadow minister says

Dan Tehan says Coalition's position on the Paris agreement and gas reservation scheme are also up for debate

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The financial cost to reach net zero by 2050 may shape the Coalition's decision on whether to retain or abandon the target, the new shadow minister, Dan Tehan, says, as he prepares to lead a heavily contested internal review of the policy.

The opposition is poised for a protracted brawl over climate targets after the new Liberal leader, Sussan Ley, put all of its policies up for debate after the Coalition's federal election defeat.