Morning everyone. Alarm over the current extreme weather sweeping the northern hemisphere and what it means for the rest of the world will be ratcheted up another notch today with fears that the vitally important Gulf Stream system in the Atlantic ocean could collapse in as little as two years (though 2050 is more likely, and there is some debate among scientists). At home we have an exclusive report on the transparency questions over a multimillion-dollar contract dating to the Turnbull era, and concerns mount for whales stranded on a Western Australian beach. Plus: the mysterious case of China’s vanishing foreign minister.