2019 Australia's Hottest and Driest - WMO, page-80

"It also remains true that our GHG emissions don't make a measurable difference to the climate of the planet"

"I have considerable evidence that this statement is untrue."

Post away.

'Considerable evidence' of exactly how much Australian GHG emissions change the climate of the planet.

I'll say zero degrees, to the nearest degree. Awaiting your considerable evidence to the contrary.