Event organizers can now report on sustainability issues like impacts on communities, natural environments, and local and global economies, thanks to new guidance just published by the Global Reporting Initiative (GRI). The Green Meeting Industry Council (GMIC) helped developed the guidance as part of a multi-stakeholder Working Group and Advisory Group.

http://www.greenbiz.com/news/2012/01/25/global-reporting-initiative-publishes-new-guidelines-green-events