In an opening statement to the CSD17 Intersessional Preparatory Meeting, on the 23rd of February 2009, G77 Chair Sudanese Ambassador Abdalmahood Abdalhaleem Mohamed told the CSD:
“In 2012, the International community will reach the twenty-year mark of the Earth Summit held in 1992 and the ten-year anniversary of WSSD held in Johannesburg in 2002. It will be 40 years after the Stockholm Conference of 1972. The time will be opportune for the international community to thoroughly review and assess the progress achieved since these two momentous summits. Guided by the “Rio Spirit”, a Rio-plus-20 Summit should provide the necessary political impetus for the range and level of action required to bridge the implementation gap. In this context the G77 and China welcomes the offer of the Government of Brazil to host such a Summit in 2012."
Informally the discussion around the United Nations Commission on Sustainable Development is if there is to be a Summit perhaps it needs to be seeking a more dynamic agenda. Stakeholder Forum workshop in San Sebastian in November 2008 suggested that might be around the agenda of Human, Economic and Environmental Security. Allowing to look at previous commitments through a new and more relavant lens.