Environment and Ecology TN launches dolphin conservation project Tamil Nadu government has issued orders to implement Project Dolphin under the Union government’s Integrated Development of Wildlife Habitats scheme. TN is known is known to have more than nine species of dolphins. Project Dolphin activities will include strengthening of patrolling and surveillance, improving habitat through restoration of coastal ecosystems, removing ghost nets, and encouraging involvement of locals with incentives. The project will be implemented at a cost of ₹8.13 crore during 2023-2024.