1) Ahmedabad has undertaken various initiatives to reduce its carbon footprint and promote environmental sustainability, including energy audits, recycling and reuse of treated wastewater, revitalizing water bodies, and improvements to land use planning and public transport. 2) Specific projects include installing more efficient pumps and lighting, treating 100% of sewage and maximizing reuse, and developing the Sabarmati Riverfront project to reclaim land and create parks. 3) The city's population is expected to reach over 10 million by 2031, so Ahmedabad is focusing on strengthening public transport through a bus rapid transit system and planned metro to reduce individual vehicle use and associated pollution.