Climate change the big threat to Australian winemakers / Australia's wine sector suffers as drinkers shun lower-end brands / King's Birthday Honours: Reid Fletcher awarded NZOM for services to the wine industry / Wine with depth: Australian firm ages bottles under the sea / China lifts tariffs on Australian wine, ends three-year freeze in trade / Australian winemakers hopeful about China lifting tariffs / Bain-led consortium takes over Australian winemaker behind Hardys / China's wine market ready to welcome likely return of Aussie wine as ties improve