As part of a three-day state visit to Germany, the Italian President Sergio Mattarella was visiting the state of North Rhine Westphalia on Saturday, including attending a climate conference in Bonn with German President Frank-Walter Steinmeier. Steinmeier said that cooperation was essential in the fight against global warming. “The recent floods in Poland, Romania, Austria and the Czech Republic, as well as the fires in Portugal and Greece, illustrate the urgency of this task,” he said. Italy and Germany are cooperating, among other things, on the establishment of a climate-neutral European en…