Murray Olds: Australian correspondent on Opposition leader Peter Dutton backing away from 2030 emissions target - Heather du Plessis-Allan Drive

Over in Australia, Opposition leader Peter Dutton has confirmed the coalition will not set a 2030 emissions reduction target before the next election.

Dutton claimed the coalition was committed to net zero by 2050, but refused to reveal any interim targets.

Australian correspondent Murray Olds says both parties have underestimated the challenges of implementing renewable energy. 

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