Clean-up operations are under way after two days of torrential rain caused the worst flooding central France has seen in 40 years. France’s prime minister Michel Barnier said that firefighters and other rescue teams have been involved in about 2,300 operations, some of them lifesaving, in several parts of the country. “We must prepare, with climate change, to face risks and disasters in all areas more better and more frequently. The more we prepare together at the level of the countries that are part of this European entity, the better it will be. I have long believed that prevention costs les…