7NEWS reports that Australia’s wine sector is facing one of its worst downturns in decades, with Darren De Bortoli ripping out vines in the Riverina as weak global demand, oversupply and the long shadow of China’s former tariffs continue to hurt growers. The article says Wine Australia estimates more than 2 billion litres of wine are sitting in storage, while Australian Grape and Wine chief executive Lee McLean argues the industry needs both export-market work and stronger domestic promotion to recover.