Mumbai, Nov. 19 -- The Union environment ministry has approved a three-year study called the 'Bird Sensitivity Mapping Tool' to chart the pathways of migratory birds under the Central Asian Flyway (CAF) across India using a three-dimensional (3-D) mapping process. The study was announced on the sidelines of the International Conference on Wetlands and Migratory Waterbirds of the Asian Flyways in Lonavala on Monday....