Xinhua: Ian Somerhalder, an actor best known for his work on the international hit TV Series, "The Vampire Diaries," has a new role, which is of great importance not only to himself, but also to hundreds of thousands of others. Somerhalder was designated as a United Nations Environment Programme (UNEP) Goodwill Ambassador Thursday, also the World Environment Day, in Bridgetown, the capital of the small island nation of Barbados. "Ian Somerhalder is a committed environmentalist who has the capacity to inspire...