Environment and music

Everyone enjoyes music. Music is used to spread messages around. Environment aware song writers and composers know this. Since the 1970th they have composed songs related to environment issues to call people's attention to a multitude of situations such has whale hunting, the destruction of the rain forests, oil spills and nuclear energy among others. Their songs are specially targeted to teenagers and young adults. However their messages reach a much broader audience. Leave a link to a music and explain which environment issue is the song about. Here is a link to save the whale from Nick Kershaw