Our colleague Biljana Gligoric is current located in Rio de Janeiro at the third World Summit on Sustainable Development Rio +20. At the Rio +20 conference, world leaders, along with thousands of participants from government, private sector, NGOs and other groups, along will consider possibilities of how we can reduce poverty, improve social equity and ensure environmental protection in order to create the future we want.
At Expeditio blog you can follow Biljana's impressions from Rio+20.
http://www.blog.expeditio.org/