World Soil Day (WSD), observed on 5 December annually, raises awareness about the importance of healthy soil. It is also observed to raise awareness about the need to manage soil resources in a sustainable manner. WSD aims to encourage people to make efforts to improve soil health.


  1. World Soil Day (WSD) 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.
  2. An international day to celebrate soil was recommended by the International Union of Soil Sciences (IUSS) in 2002.
  3. Under the leadership of the Kingdom of Thailand and within the framework of the Global Soil Partnership, FAO has supported the formal establishment of WSD as a global awareness raising platform.
  4. The FAO Conference unanimously endorsed World Soil Day in June 2013 and requested its official adoption at the 68th UN General Assembly.
  5. In December 2013, the UN General Assembly responded by designating 5 December 2014 as the first official World Soil Day.
  6. The theme for this year will be Halt soil salinization, boost soil productivity, which is aimed at decreasing the salinity of the soil.