Extreme weather

In recent weeks the world has seen floods in Europe and China and devastating wildfires in Canada, the United States and Siberia. It’s difficult to link single events to global warming but climate change is expected to increase the frequency of extreme weather events. Host Nuala McGovern hears from those affected by flooding in Germany and Belgium as well as people in the city of Zhengzhou, in Henan, China, which recently recorded the equivalent of a year’s average rainfall in just three days.