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The country invests a lot of money for the first time to carry out a special survey on soil pollution and prevention The chemical industry is facing a new round of “environmental protection stormsâ€
The reporter learned from the National Soil Pollution Survey and the Special Conference on Pollution Prevention and Control, held in Beijing on July 18th, that the National Environmental Protection Administration and the Ministry of Land and Resources have been leading a nationwide soil pollution investigation over the past three and a half years, with an investment of 1 billion yuan. The project has now entered the implementation phase. The primary goal of the survey is to identify soil contamination caused by organic pollutants in key regions, with the aim of developing comprehensive laws, regulations, and technical standards for soil pollution prevention.
Industry experts have warned that this initiative signals an upcoming "environmental protection storm" for the chemical industry, which has recently undergone environmental inspections across the country's rivers and water systems. This move underscores a growing focus on addressing soil degradation, which has become a pressing issue in many parts of China.
It has been revealed that soil pollution is not limited to waterways; in fact, soils in various regions are also affected to differing degrees, posing serious threats to the ecological environment, food safety, and long-term agricultural sustainability. According to preliminary data, China has approximately 150 million acres of arable land, of which 32.5 million acres are contaminated due to sewage irrigation, and 2 million acres are used for solid waste storage—accounting for roughly 10% of the total arable land area.
Currently, the main causes of soil pollution in China include excessive use of fertilizers and pesticides. Based on cultivated land area, China uses about 40 tons of chemical fertilizers per square kilometer, far exceeding the safe limits set by developed countries to prevent soil and water contamination. Another major factor is the widespread use of plastic films in agriculture. Over the past two decades, China has led the world in both the volume and coverage of plastic film. A survey conducted by Zhejiang’s Environmental Protection Bureau found that the average residue of plastic film in the surveyed area was 3.78 tons per square kilometer, causing a loss of around 20% in output value. As agricultural modernization advances in central and western regions, this type of pollution is increasingly common in major grain-producing areas.
Additionally, leaks from oil, solid and liquid waste, and other organic materials contribute significantly to soil contamination. The survey includes a comprehensive assessment of soil environmental risks by analyzing heavy metals, pesticide residues, organic pollutants, and soil physicochemical properties, while considering land use and soil types. Risk assessments and safety classifications of polluted soils in key areas are also being conducted. The investigation focuses on high-risk zones near heavily polluting factories, industrial legacy sites, solid waste disposal areas, oil fields, and mining regions, aiming to determine the type, extent, and spatial distribution of pollution, as well as its underlying causes.
According to another report, the draft of the Soil Pollution Prevention Law is currently under development, signaling a stronger regulatory framework to address the growing concerns surrounding soil health and environmental protection.