環境と開発に関する国際連合会議
In 2007, Moura Costa organized the international conference Rio+15, to celebrate 15 years of the UN Conference on Environment and Development (the ‘Earth Summit’). The conference had the participation of over 200 international participants, including introductions by Maurice Strong (organiser of the Earth Summit) and former Brazilian president Fernando Henrique Cardoso, and received wide media coverage.