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 β 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 β 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 β Save Our Seas | Moscow, Russia |
| 1999 | Our Earth β Our Future β Just Save It! | Tokyo, Japan |
| 2000 | The Environment Millennium β 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 β Two Billion People are Dying for It! | Beirut, Lebanon |
| 2004 | Wanted! Seas and Oceans β Dead or Alive? | Barcelona, Spain |
| 2005 | Green Cities β Plant for the Planet! | San Francisco, US |
| 2006 | Deserts and Desertification β Don’t Desert Drylands! | Algiers, Algeria |
| 2007 | Melting Ice β a Hot Topic? | London, UK |
| 2008 | Kick The Habit β Towards A Low Carbon Economy | Wellington, Newzeland |
| 2009 | Your Planet Needs You β 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 β 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 CΓ΄te 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
