The PM has promised to reveal the costs and benefits of achieving "net zero" emissions by 2050 in time for the next election.

WA is unlikely to ease border restrictions for fully vaccinated residents of Victoria or NSW in time for Christmas.

Dairy packaging will be 100 percent re-useable, recyclable or compostable by 2025.

In sport, new Cricket Australia selector Tony Dodemaide says he'll be aiming to strike the right balance between incumbancy and form when he joins George Bailey and Justin Langer to pick the squad for the Ashes series.

And in entertainment news, Kourtney Kardashian gets engaged.