Les recherches montrent que les eaux de baignade en Angleterre sont cinq fois plus polluées que celles de l'UE. (Note: "eaux de baignade" is the standard term for "swimming waters" in French environmental/regulatory contexts, though "eaux de natation" is also sometimes used. The phrasing preserves the comparative structure while adapting to French syntax.)
New research shows that England’s swimming waters are five times more polluted than those in the EU. Experts warn the…