Fahim Siddiqi/White Star “Trees exhale for us so that we can inhale them to stay alive. Can we ever forget that? Let us love trees with every breath we take until we perish.” ― Munia Khan, poet, writer, editor Trees sustain life. They give us the air we breathe; the shade we sit under. But many trees do a lot more than just that. The Indus Delta’s mangrove forest ecosystem, for example, supports various life forms. These dense trees, that protect us from storms, cyclones and tsunamis, are also home to different kinds of marine life including fish, shrimp and crabs, and several species of birds such as pelicans, flamingoes, kingfishers, cranes and even ducks. The trees also serve as the feeding grounds for tropical birds that feed on the fish, insects and plankton along the mangroves.