Refinery wastewater flowing through sand produced biofilms of pollutant-eating bacteria which inturn removed the harmful compounds from the water

World migratory bird day

Bengaluru
12 May 2018

World Migratory Bird Day is an annual awareness-raising campaign highlighting the need for the conservation of migratory birds and their habitats. It is observed on 2nd Saturday in May and October! It is a global awareness-raising campaign to conserve Migratory Birds.