It is acknowledged that few were known about cetaceans and marine mammals in Asia, exposing the needs to learn more to provide the prerequisite for and conservation. Though the situation has been improved, there is still a high possibility for the baiji dolphins (Chinese river dolphin) to go extinct in the decades to come. Our environment is constantly losing its biodiversity with much pollution and overexploitation. Human caused climatic change, toxic chemical build up and energy shortages have even worsen the situation.