Dugongs are sea cows. They graze on sea grass meadows underwater the same way as cattle graze on land. The problem is dugongs are on the verge of extinction and are rarely sighted. Dugongs are under threat due to destructive fisheries practice and degradation of seagrass habitats. In the run up to World Environment Day, we focus on this gentle vegetarian mammal. The health of the dugong is an indicator of the health of the community. Now a global movement has been launched for the conservation of dugongs and their seagrass habitats in eight countries from Africa to Asia and into the Pacific.