Heat waves: parts of Sydney could become uninhabitable

Sydney is experiencing a relatively wet and rather cool summer this year - thanks to La Nina. But experts now believe that over 50 degrees in summer could soon be the order of the day in parts of the city. The west, in particular, could become uninhabitable. My colleague Barbara Barkhausen has looked into the issue and spoke to me on the phone.

Man soll viel Wasser trinken während einer Hitzewelle Source: Getty