Social media giant Meta has strongly suggested it will abandon its Australian fact-checking operations — such as those used to flag lies over the Bondi terror attacks — in line with its moves in Donald Trump’s America.

From nuclear to nature laws, here’s where newly appointed Liberal leader Sussan Ley stands on four energy and environment flashpoints.

Nuclear energy is "largely irrelevant" with the nation already on the fast track to 100% renewables, says ANU Professor Andrew Blakers.