David Littleproud's scrapping of net zero could leave the Nationals at odds with the Liberal party. Photo: Mick Tsikas/AAP PHOTOS

The Nationals have set up a possible showdown with their political ally the Liberals after unanimously agreeing to scrap their commitment to net zero emissions by 2050.

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The regional party argues Australia is doing more than its fair share to reduce carbon pollution, and emissions reductions should instead be tied to an average of similar countries within the OECD.

Leader David Littleproud said his party wasn't walking away from curbing greenhouse gas emi

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