World Environment Day Themes and Host Countries: 1972-2025 as given in below tables;
World Environment Day Themes and Host Countries From Year 1972 to 1980. Year Theme Host city 1972 Stockholm Conference on Human Environment Stockholm, United Nations 1973 Only one Earth Geneva, Switzerland 1974 Only one Earth Spokane, US 1975 Human Settlements Dhaka, Bangladesh 1976 Water: Vital Resource for Life Ontario, Canada 1977 Ozone Layer Environmental Concern; Lands Loss and Soil Degradation Sylhet, Bangaladesh 1978 Development Without Destruction Sylhet, Bangaladesh 1979 Only One Future for Our Children – Development Without Destruction Sylhet, Bangaladesh 1980 A New Challenge for the New Decade: Development Without Destruction Sylhet, Bangaladesh
1981 to 1990. 1981 Ground Water; Toxic Chemicals in Human Food Chains Sylhet, Bangaladesh 1982 Ten Years After Stockholm (Renewal of Environmental Concerns) Dhaka, Bangladesh 1983 Managing and Disposing Hazardous Waste: Acid Rain and Energy Sylhet, Bangaladesh 1984 Desertification Rajshahi, Bangladesh 1985 Youth: Population and the Environment Islamabad, Pakistan 1986 A Tree for Peace Ontario, Canada 1987 Environment and Shelter: More Than A Roof Nairobi, Kenya 1988 When People Put the Environment First, Development Will Last Bangkok, Thailand 1989 Global Warming, Global Warning Brussels, Belgium 1990 Children and the Environment Mexico, Mexico
1991 to 2000. 1991 Climate Change : Need for Global Partnership Stockholm, Sweden 1992 Only One Earth, Care and Share Rio De Janerio, Brazil 1993 Poverty and the Environment – Breaking the Vicious Circle Beijing, China 1994 One Earth One Family London, UK 1995 We the Peoples: United for the Global Environment Pretoria, South Africa 1996 Our Earth, Our Habitat, Our Home Istanbul, Turkey 1997 For Life on Earth Seou, Republic Of Korea 1998 For Life on Earth – Save Our Seas Moscow, Russia 1999 Our Earth – Our Future – Just Save It! Tokyo, Japan 2000 The Environment Millennium – Time to Act Adelaide, Australia
2001 to 2010. 2001 Connect with the World Wide Web of Life Torino, Italy And Havana, Cuba 2002 Give Earth a Chance Shenzhen, China 2003 Water – Two Billion People are Dying for It! Beirut, Lebanon 2004 Wanted! Seas and Oceans – Dead or Alive? Barcelona, Spain 2005 Green Cities – Plant for the Planet! San Francisco, US 2006 Deserts and Desertification – Don’t Desert Drylands! Algiers, Algeria 2007 Melting Ice – a Hot Topic? London, UK 2008 Kick The Habit – Towards A Low Carbon Economy Wellington, Newzeland 2009 Your Planet Needs You – Unite to Combat Climate Change Mexico, Mexico 2010 Many Species. One Planet. One Future Rangpur, Bangladesh
2011 to 2020. 2011 Forests: Nature at your Service Delhi, India 2012 Green Economy: Does it include you? Brasilia, Brazil 2013 Think.Eat.Save. Reduce Your Foodprint Ulaanbaatar, Mongolia 2014 Raise your voice, not the sea level Bridgetown Barbados 2015 Seven Billion Dreams. One Planet. Consume with Care. Rome, Italy 2016 Zero Tolerance for the Illegal Wildlife trade Luanda, Angola 2017 Connecting People to Nature – in the city and on the land, from the poles to the equator Ottawa, Canada 2018 Beat Plastic Pollution New Delhi, India 2019 Beat Air Pollution China 2020 Time For Nature Colombia
2021 to 2024. 2021 Ecosystem Restoration : Reimagine, Recreate, Restore Pakistan 2022 Only One Earth Sweden 2023 Solutions to Plastic Pollution Republic of Côte d’Ivoire 2024 Land Restoration, Desertification & Drought Resilience The Kingdom of Saudi Arabia
World Environment Day Themes and Host Countries For the Year 2025. 2025 Ending Plastic Pollution The Republic Of Korea
Source : https://en.wikipedia.org/wiki/World_Environment_Day and https://www.unep.org/news-and-stories/press-release/republic-korea-host-world-environment-day-2025-focus-ending-plastic