Making waves: the hit Indian island radio station leading climate conversations

With its unique blend of gossip, jokes and songs mixed with serious global issues, Kadal Osai has built a devoted audience

Selvarani Mari is a fisher and seaweed collector who lives on Pamban Island of Tamil Nadu, on the southernmost tip of India.

Every day she helps her husband cast the fishing nets, maintains rafts for cultivating seaweed, and dives into the ocean to gather sargassum. But she always makes time to listen to the radio.