A house is left standing on the edge of a landslide in Casamicciola, on the southern Italian island of Ischia, in this picture taken Sunday, Nov. 27, 2022.

Video. Intensive concrete construction to blame for Ischia landslide says WWF

A World Wildlife Fund researcher has blamed intensive concrete construction in high-risk areas for the Ischia landslide tragedy on Saturday that killed eight people and left four more missing.