World Soil Day is held annually on 5 December as a means to focus attention on the importance of healthy soil and to advocate for the sustainable management of soil resources. The Day raises awareness on the role of soil management in ensuring soil biodiversity and improving soil health, reducing erosion and pollution, enhancing water filtration and storage, achieving sustainable and resilient agrifood systems, and contributing to carbon sequestration.

The International Union of Soil Sciences (IUSS), in 2002, adopted a resolution proposing that 5 December be marked as World Soil Day to celebrate the importance of soil as a critical component of the natural system and as a vital contributor to human well-being. The date of 5 December was chosen because it corresponds with the official birthday of the late Bhumibol Adulyadej, King of Thailand, who was one of the main proponents of this initiative.

The Food and Agriculture Organization of the UN (FAO) Conference, in June 2013, unanimously endorsed World Soil Day and requested official adoption at the 68th session of the UN General Assembly (UNGA). In December 2013, the UNGA 68 declared 5 December as the World Soil Day.

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date: 5 December 2024
location: worldwide
www: https://www.un.org/en/observances/world-soil-day