Rio+20 photo challenge: what's your message for the Earth summit? What does a 'safer, more equitable, cleaner, greener and more prosperous world for all' mean to you? We want your photo messages for Rio+20
UN Rio+20: In Pictures
RIO+20 Sustainable Development Summit - via UNDP
Rio+20 summit: Environmental destruction, the future of sustainable development and the 5 issues that prevent us from changing the world
El mensaje de 1.500 indígenas es más que claro.