Before heading to the conference room for the opening official ceremony of the session held from Feb.18-22 under the theme Rio +20 : from results to implementation", the princess was welcomed by the director-general of the UNO office in Nairobi, Sahle Zwede, UNEP executive director, Achim Steiner, and other top UN executives.
The princess then planted a tree, in the presence of Kenya’s president, Mwai Kibak, in keeping with the tradition that all important visitors to the UN office plant a tree as a token of respect to the UN ecological values.