Europe is once again in the grip of a scorching summer heatwave, with temperatures once again expected to soar across the continent just weeks after the mercury passed the 40°C in several countries.

It is the first map to show the extent of Europe's contamination by per- and polyfluoroalkyl substances (PFAS), a family of ultra-toxic compounds used for a multitude of products and applications.

From London all the way to Istanbul, Europe could soon be efficiently connected thanks to futuristic plans to transform the continent's railways with a huge 13,670-mile Metro line Skip to main content ...