RT null T1 A global overview of wetland and marine protected areas on the World Heritage List A1 United Nations Environment Programme, K1 world heritage site K1 protected area K1 marine conservation area K1 wetland K1 wetland ecosystem K1 site protection PB UNEP World Conservation Monitoring Centre (UNEP-WCMC) YR 1997 FD 1997 LK https://wedocs.unep.org/handle/20.500.11822/9555 UL https://wedocs.unep.org/handle/20.500.11822/9555 NO This working paper provides a global overview of the current coverage of existing World Heritage sites with wetland and marine values and suggests potential wetland areas which may merit future nomination to the World Heritage List. Wetlands are among the most productive natural environments on earth. They provide substantial social and economic benefits to humans as well as habitat for numerous species. With only an estimated 5.7 million sq. km of wetlands remaining in the world, they continue to be one of the most threatened biomes. DS UN Environment Document Repository RD Sep 24, 2026