by Guillaume Bonnet and Joseph Schmid Agence France-Presse PARIS, France (AFP) — After two months of trekking across France, a French-British duo have completed their campaign to stop mask litter during the coronavirus crisis, having picked up every discarded face covering they spotted while walking to Paris from the Mediterranean city of Marseille. Edmund Platt, a British environmental activist, and his French friend Frederic Munsch set off on October 1 to follow the high-speed TGV […]