Important commemorative events,such as World Wetlands Day,Arbor Day,Earth Day,World Environment Day and World Desertification and Drought Control Day have drawn the attention of people from all walks of life in Tibet.

• 世界湿地日、植树节、地球日、世界环境日、世界防治荒漠化与干旱日等重要纪念日受到西藏各界的关注。