Can Catalonia learn to live with drought?
"We will change because there's no other option for us," says scientist Vicenç Acuña, as he gestures towards the almost empty Sau reservoir in Catalonia. We should be looking at a huge artificial lake, but instead the concrete wall of the reservoir barrage is bare, towering above the valley and the remaining brown water tens of metres below. It hasn't rained enough in this region for nearly four years, and this reservoir, one of the main supplies for the Barcelona region, is below 15% capacity.
