RT null T1 Global University Partnership on Environment and Sustainability (GUPES): The role of Universities in Sustainable Development: Inputs for Rio+20 A1 United Nations Environment Programme, K1 environmental education K1 sustainable development K1 university and college YR 2011 FD 2011-02 LK https://wedocs.unep.org/handle/20.500.11822/11981 UL https://wedocs.unep.org/handle/20.500.11822/11981 DS UN Environment Document Repository RD Sep 22, 2026