Alpine cattle graziers and environmentalists form an unlikely alliance in a bid to stop logging in Victoria’s high country.

The NSW SES received more than 1100 calls for help on Thursday, as the big wet brings flash-flooding, landslips and hazardous surf alerts.

The publication of the state’s new koala habitat policy has revealed a senior regional NSW official has the right to reject management plans by councils.

More than 75 organisations and individuals have signed an open letter calling on the Ross Trust to withdraw its plans to expand its quarry on the Mornington Peninsula and destroy bushland.

A three-day burst of rain from Thursday is likely to be the wettest for Sydney since at least last July, with up to 100 millimetres expected on Saturday.