(this is a work-in-progress)

• Sea Change Radio (http://www.cchange.net/)^* - This is a weekly radio show and podcast produced in the USA (syndicated across the USA) covering the shift to social, environmental, and economic sustainability.
• National Public Radio (produced in the USA)^*
  • http://www.npr.org/sections/energy/
  • http://www.npr.org/sections/environment/
  • http://www.npr.org/programs/ted-radio-hour/ (this is a partnership between NPR and TED Talks)
• BBC Radio (British Broadcasting Corporation; public broadcaster and public producer)
  • Podcasts & Downloads - http://www.bbc.co.uk/podcasts
    • http://www.bbc.co.uk/podcasts/genre/factual
• The Extraenvironmentalist (http://www.extraenvironmentalist.com/)* - This is a podcast produced in the USA (syndicated across Canada and the USA) covering unsustainability (social, environmental, and economic).  Go here for local radio station's coverage.

^*You can also subscribe to these podcasts via iTunes.