I've just caught up with an article written by an inspirational mediator, Kenneth Cloke. He wrote it after the BP disaster in the Gulf of Mexico in 2010 and reflected on the potential for mediation and similar conflict resolution techniques in environmental and other world conflicts. The article is on this page (sidebar) as a pdf for you to download, but I will paste in here some of his ideas of how global summits, like Copenhagen in 2009 could be assisted by deploying mediators: