The Sundarbans is a unique and ecologically important region located in the delta of the Ganges, Brahmaputra, and Meghna rivers in India and Bangladesh. With the world’s largest mangrove forest, the Sundarbans is home to a variety of plants and animals, including the Bengal tiger.

Wetlands are vital ecosystems that provide numerous benefits to people and the environment. They serve as natural water filters, purifying water and preventing pollution. Wetlands also provide habitat for a variety of plants and animals and are important for flood control and erosion prevention. In Kolkata, wetlands have been a significant part of the city’s natural landscape, but many of these wetlands have been lost or damaged due to urbanization and other human activities.