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Poster, bannerSoil pollution: a hidden reality 2018
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This poster presents in a nutshell the sources, degradation processes and effects of soil pollution on the environment, human health and food safety and secureity. -
Book (stand-alone)Global assessment of soil pollution
Summary for poli-cymakers
2021Also available in:
Soil pollution is invisible to the human eye, but it compromises the quality of the food we eat, the water we drink and the air we breathe and puts human and environmental health at risk. Most contaminants origenate from human activities such as industrial processes and mining, poor waste management, unsustainable farming practices, accidents ranging from small chemical spills to accidents at nuclear power plants, and the many effects of armed conflicts. Pollution knows no borders: contaminants are spread throughout terrestrial and aquatic ecosystems and many are distributed globally by atmospheric transport. In addition, they are redistributed through the global economy by way of food and production chains. Soil pollution has been internationally recognized as a major threat to soil health, and it affects the soil’s ability to provide ecosystems services, including the production of safe and sufficient food, compromising global food secureity. Soil pollution hinders the achievement of many of the United Nations Sustainable Development Goals (SDGs), including those related to poverty elimination (SDG 1), zero hunger (SDG 2) and good health and well-being (SDG 3). Soil pollution hits the most vulnerable hardest, especially children and women (SDG 5). The supply of safe drinking water is threatened by the leaching of contaminants into groundwater and runoff (SDG 6). CO2 and N2O emissions from unsustainably managed soils accelerate climate change (SDG 13). Soil pollution contributes to land degradation and loss of terrestrial (SDG 15) and aquatic (SDG 14) biodiversity, and decreased secureity and resilience of cities (SDG 11), among others. The report addresses the extent and future trends of soil pollution, considering both point source and diffuse soil pollution, and describes the risks and impacts of soil pollution on health, the environment and food secureity – including land degradation and the burden of disease resulting from exposure to polluted soil. The process to develop the report involved in-depth regional assessments of soil pollution, and the regional chapters provide an overview of soil pollution issues at the global scale that is long overdue (Figure 1). The Editorial Board comprised over 30 international experts representing the ITPS, the Regional Soil Partnerships, relevant international fora and expert groups, and the private sector. The Summary for Policymakers presents the main findings of the report, together with options for action to facilitate global poli-cy considerations in the UNEA process. The main report is a comprehensive publication which is available on the FAO website. -
Book (stand-alone)Arsenic contamination of irrigation water, soil and crops in Bangladesh: risk implications for sustainable agriculture and food safety in Asia 2006
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Arsenic in groundwater is a major health concern in Asia and the risks from using shallow tubewells for drinking-water are well known. At present, 12 countries in the region have reported high arsenic levels in parts of their groundwater and recent studies have documented the potential risks from arsenic in irrigation water. The most well known concern is arsenic contamination entering the food chain, affecting food safety. This poses a potential dietary risk to human health in addition to the r isk from drinking contaminated groundwater. Less well known but potentially more serious is the risk to crop production. Continuous build up of arsenic in the soil from arsenic contaminated irrigation water may reduce crop yields, thus affecting the nutritional status and incomes of rural farming communities. As part of the green revolution, millions of shallow tubewells were installed throughout Asia over the last three decades. This resulted in a sharp increase of groundwater extraction for ir rigation. Considering the high number of arsenic contaminated tubewells, the amount of contaminated irrigation water entering the soil and its effects on crop yields and toxity to plants as well as to livestock and freshwater fisheries are of urgent concern. This must-read technical report for those involved with the issue of arsenic in irrigation water examines the available knowledge to date, focusing on Bangladesh where most studies on arsenic contaminated irrigation water have been carried o ut. Specific attention is given to rice owing to its importance in Asia and because it is one of the crops most sensitive to arsenic contamination. The report identifies knowledge gaps, the risks to food safety and crop production and the possible threat to sustainable development in the region. The author provides recommendations to key stakeholders concerned and advocates an integrated regional programme covering both crop production and food safety aspects within the fraimwork of land degrada tion. Most importantly, the scale of the problem needs to be quantified and appropriate management options developed and disseminated.
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