From ancient olive groves to root vegetables, foreign pests introduced via the bloc’s open import system are causing damage worth billions – and outbreaks are on the riseThe plants slowly choke to death, wither and dry out. They die en masse, leaves dropping and bark turning grey, creating a sea of monochrome. Since scientists first discovered Xylella fastidiosa in 2013 in Puglia, Italy, it has killed a third of the region’s 60 million olive trees – which once produced almost half of Italy’s... Read this story
