One of the biggest threats that Navi Mumbai and Raigad areas has been facing over time is the destruction of its wetlands. With the illegal activities going on unabated, some environmentalists found out that the Belpada wetland in Uran taluka was being filled. According to them, permissions had not been given for the work, as Belpada is a notified wetland and home to more than 50 species of migratory birds.

Speaking to mid-day, environmentalist Sunil Agarwal from Navi Mumbai said, "Three days back we were shocked to see that illegal filling activity was going on at Belpada wetland. This wetland is a notified one and is supposed to be preserved." According to environmentalists, illegal dumping of debris and filling have been major problems in Uran area and they have time and again pointed out that it was destructing the region.