RT null T1 Tunza vol. 9.4: the Green Economy A1 United Nations Environment Programme, PB United Nations Environment Programme SN 1727-8902 YR 2012 FD 2012 LK https://wedocs.unep.org/handle/20.500.11822/8017 UL https://wedocs.unep.org/handle/20.500.11822/8017 NO UNEP magazine for youth. DS UN Environment Document Repository RD Sep 17, 2026