Party faithful have voted to ditch net zero from the Nationals' platform as their elected leaders prepare to make a final call on the foundational climate policy.

In a widely expected move, the party's federal council voted on Saturday to walk away from the pledge to reach net-zero emissions by 2050.

A subsequent motion to walk away from the Paris Agreement, the global pact to limit warming to 1.5C above industrial levels, was withdrawn.

While the net-zero vote is non-binding for Nationals MPs, they look set to follow suit, with a party room meeting on Sunday to discuss climate and energy policy.

Leader David Littleproud said no predetermined position had been taken ahead of deliberations but net zero was "not the only way to actually address climate change".

"We're going to make sure

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