Liberal parliamentarians are lining up to attack net zero as dozens of MPs and senators descend on the nation's capital to thrash out a formal policy on climate change and energy.

The party is widely expected to water down its commitment to net zero emissions by 2050, but will still retain some commitment to reducing carbon pollution if it returns to government.

A party room meeting has been called for midday on Wednesday in Canberra, where members will discuss their approach to the issue.

With hours to go until the meeting, stark divisions remained within the party room

Western Sydney MP Melissa McIntosh said she would put forward the voices of her community, who were "suffering like they've never suffered before" as a result of Labor's net zero target.

"This is not anti-environmenta

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