Menzies Analysis Centre’s Nick Cater says there are “too many unknowns” to do a significant costing on what would occur past 2030 concerning a web zero emissions goal.
“The most important unknown is what know-how might be obtainable,” he instructed Sky Information host Peta Credlin.
“Governments can’t dictate know-how.
“They will make the settings proper in order that firms will spend money on it, and there’s some huge cash going into this as a result of there’s a really wealthy prize on the finish of it.
“However this web zero by 2050 can solely absolutely be primarily based on the expectation we may have new applied sciences after 2030.”
It comes because the Nationals have signed off on the Prime Minister’s plan for web zero by 2050.