Woman, 58, was last heard from Monday afternoon and her car was found the next day

• Follow our Australia news live blog for latest updates

• Get our breaking news email, free app or daily news podcast

A man has been charged over the alleged kidnapping and murder of a woman whose body is yet to be found.

Police have been investigating the disappearance of a 58-year-old woman who failed to returned to her home in Sydney’s north-west on Tuesday.

Long-awaited course to examine human effects on natural world and explore everyday ways to aid biodiversity

School pupils will learn how to plant a wildflower-friendly garden, according to long-awaited plans announced on Thursday for a natural history GCSE in England, Wales and Northern Ireland.

Campaigners have for more than a decade called for the study of biodiversity loss and global heating to be introduced as a dedicated subject in classrooms across the country, but despite a curriculum being previously drawn up, its launch has faced repeated delays.