Lignende værker: State of the World 2013 :
- Vital Signs, Volume 20 : The Trends That Are Shaping Our Future /
- State of the World 2008 : A Worldwatch Institute Report on Progress Toward a Sustainable Society : Innovations for a Sustainable Economy /
- State of the World 2009 : A Worldwatch Institute Report on Progress Toward a Sustainable Society : Into a Warming World /
- State of the World 1999 : A Worldwatch Institute Report on Progress Toward a Sustainable Society /
- State of the World 1992 : A Worldwatch Institute Report on Progress Toward a Sustainable Society /
- State of the World 1988 : A Worldwatch Institute Report on Progress Toward a Sustainable Society /