27 October 2011
Their recommendations are outlined in:
The Laxenburg Declaration, a statement coordinated by IIASA and prepared for submission to Rio+20.
International Institute for Applied Systems Analysis (IIASA)
Schlossplatz 1, A-2361 Laxenburg, Austria
Phone: (+43 2236) 807 0 Fax:(+43 2236) 71 313