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The declaration of a climate change emergency next week could be a crucial move, at a crucial time.
Jacinda Ardern will introduce a Government Motion on Wednesday, asking MPs to support a symbolic emergency declaration.
It won't materially change any rules or regulations.
But Victoria University climate change expert Adrian Macey told Mike Hosking it could be a very good step, if it helps to shape the Government's decision-making over the next term.
He says some very important climate decisions are going to be made in the next year, including how to reduce the rising emissions from transport
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