Mangrove forests are crucial to the health of the planet, gobbling up CO2 from the atmosphere and providing a home for a diverse array of species. But these rich habitats are under continual threat from deforestation and industry. In an empowering talk, conservationist and TED Fellow Ashwin Naidu overseas community-driven efforts in South and Southeast Asia  working to protect mangroves -- all with a little help from the mysterious and endangered fishing cat. Enjoy.