A prolonged heatwave that hit Madagascar in October would not have occurred without human-caused climate change, a scientific study said on Thursday. Scientists from the World Weather Attribution (WWA) group said the heatwave in the Indian Ocean island, which affected millions of people, “would have been virtually impossible without human-caused climate change”. The study by 13 researchers looked at three variables to investigate the heatwave: the island’s average temperatures over October and the seven-day minimum […]