The Harvard University Extension School offers a distance learning course that covers sustainability at the local level using a case method approach. Registration opens in early December 2011. The course begins on January 23, 2012. You can find the syllabus posted on the class website. http://isites.harvard.edu/k84364 The course is offered as open enrollment. However, the course can be taken as part of an on-line masters degree in either Environmental Management or Sustainability Management. The lead instructor has been a member of the ACS for more than 40 years.