MUMBAI, June 6 -- The city's environmental warriors marked World Environment Day on Thursday with a show of solidarity, as activists, environmentalists, urban planners, lawyers and citizens gathered in Goregaon to flag what they described as growing threats to the city's forests, mangroves, environment and open spaces. The event began with a rally from Parish of Our Lady of the Rosary to the Keshav Gore Smarak Trust Hall, where around 100 citizens attended a public meeting on the challenges confronting Mumbai's environmental movement. Organised by the Samvidhan Jagar Samiti, the Bombay Catholic Sabha and the India Greens Party, the gathering brought together representatives of Save Mumbai Mangroves, Save Aarey, Amchi Mumbai Amchi BEST, Save Rani Baug Botanical Garden Foundation, Young Green and several other citizen groups. Opening the discussion, advocate Lara Jesani said that Mumbai was standing at a critical juncture where environmental concerns were increasingly being overridden in the name of development. She argued that legal frameworks were often being used to facilitate environmental destruction, limiting the ability of courts to provide remedies. The answer, she said, lay in active public participation and sustained citizen engagement to ensure that institutions remained accountable and laws reflected the aspirations and concerns of people. Hussain Indorewala, urban planner and professor at the Kamla Raheja Vidyanidhi Institute for Architecture and Environmental Studies, said the most effective environmental intervention would be to strengthen public transport and push for policy changes that prioritise sustainable mobility. Criticising what he described as a growing emphasis on car-centric infrastructure, he emphasised that public transport should take precedence in urban planning. Echoing the sentiment, the convener of Amchi Mumbai Amchi BEST, a citizens' platform advocating better bus services, said that projects such as the Coastal Road, which have impacted mangroves, offer limited public benefit and that investment in public transport would have been a more sustainable alternative. A significant portion of the discussion centred on the future of the Sanjay Gandhi National Park (SGNP) and its surrounding eco-sensitive zone. Referring to the Maharashtra government's March 2026 approval of the Zonal Master Plan for the eco-sensitive zone around SGNP, Amrita Bhattacharjee of the Save Aarey movement warned that the plan would accelerate ecological degradation in and around the national park. "We have already been steadily losing biodiversity and critical ecosystems around SGNP. The final master plan will sound the death knell for the park and open up large tracts for so-called development," she said. Bhattacharjee, who was associated with the movement opposing the Metro 3 car shed in Aarey, also alleged that development activities had altered the natural drainage patterns in the area. Referring to flooding in and around Aarey, she claimed that sections of the landscape now experienced significant waterlogging during heavy rainfall, which she attributed to ecological changes brought about by infrastructure interventions....