The final Earth Day themed event took place Sunday. The Environmental Protection Agency, students and other organizations with ideas for a more sustainable future filled large white tents on the mall.

VOA: standard.2010.04.25

UNESCO, as lead agency for the UN Decade of Education for Sustainable Development, organized the event together with the Government of Sweden and the Ministry of Education, Culture, Sports, Science and Technology of Japan.

UNESCO: Educating for a sustainable future: UNESCO galvanizes support at RIO+20 | United Nations Educational, Scientific and Cultural Organization

"There is no reason to expect that the Olympics, or any mega-event, is going to induce a sustainable boost in the economy, " he said.

CNN: Olympic 'nopes' beat out hope in Chicago

The very first entry point to discuss ocean governance at Rio was a side event of the Forum on Science, Technology and Innovation for Sustainable Development on 12 June, focusing on Science and Governance for Global Sustainability.

UNESCO: EDUCATION