In 1992 world leaders met at the Earth Summit in Rio de Janeiro to reaffirm the Declaration of the United Nations Conference on the Human Environment that was established on June 16, 1972 in Stockholm. The meeting resulted in the adoption of Agenda 21 by the member states which is a framework for the transition to a more sustainable world. In 2012 the members gathered to assess and reaffirm the importance of progress towards the efforts of Agenda 21. In response to this the Institute of Medicine's (IOM's) Roundtable on Environmental Health Sciences, Research, and Medicine held a workshop to inform the policies that are discussed at the 2012 Earth Summit. The workshop, held in Woods Hole, Massachusetts on July 25-26, 2011, focused on the issue of sustainability and health as well as the linkages that are currently present between the two. The workshop included presentations and discussions which are summarized in . The report presents how different areas of public health, such as food and water resources, link to sustainability and opportunities or venues that can be examined.