RT Report T1 Environmental indicators for North America A1 United Nations Environment Programme, PB United Nations Environment Programme SN 92-807-2683-8 YR 2006 FD 2006 LK https://wedocs.unep.org/handle/20.500.11822/8403 UL https://wedocs.unep.org/handle/20.500.11822/8403 NO This report sets out a methodology for selecting and developing potential indicators to portray changes in the environments shared by Canada and the United States. DS UN Environment Document Repository RD Sep 17, 2026