Mumbai, May 23 -- Two of every three lakes in Navi Mumbai are polluted, says a survey of 30 lakes in the satellite city conducted from December 2018 to April 2019. According to the five-month-long study by environmental group Greenline and SIES College of Arts, Science and Commerce, Nerul, which surveyed freshwater lakes from Digha to Belapur, only six lakes were relatively clean while the remaining 24 had water unfit for human consumption....