View image in fullscreenGletsch, SwitzerlandThe melting Rhone glacier. After the extreme heat of June and July, the glacier has lost more than four metres of ice in a single month, according to Matthias Huss, the head of the Swiss Glacier Monitoring NetworkPhotograph: Fabrice Coffrini/AFP/Getty ImagesShareView image in fullscreenBandar Abbas, IranVessels in the strait of Hormuz near Bandar Abbas after a fourth night of calm in the regionPhotograph: Razieh Poudat/ISNA/ReutersShareView image in fullscreenTirana, AlbaniaA woman attends a demonstration against the government