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The Impacts of Elevated CO 2 Levels on Environmental Risk of Heavy Metal Pollution in Agricultural Soils: Applicable Remediation Approaches for Integrated Benefits

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  • Xiaojie Wang

    (State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China
    Environmental Engineering College, Nanjing Polytechnic Institute, Nanjing 210048, China
    Joint International Research Centre for Critical Zone Science-University of Leeds and Nanjing University, Nanjing University, Nanjing 210023, China
    These authors contributed equally to this work.)

  • Qian Zhang

    (School of Geomatics Science and Technology, Nanjing Tech University, Nanjing 211816, China
    These authors contributed equally to this work.)

  • Nan Shan

    (Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment of the People’s Republic of China, Nanjing 210042, China)

  • Hongyan Guo

    (State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China
    Joint International Research Centre for Critical Zone Science-University of Leeds and Nanjing University, Nanjing University, Nanjing 210023, China
    Quanzhou Institute for Environment Protection Industry, Nanjing University, Quanzhou 362000, China)

Abstract

Heavy metal pollution in agricultural fields is a serious health concern because of the high bioavailability and persistent toxicity of heavy metals. Much progress has recently been made with respect to elucidating the impacts of climate change (e.g., elevated atmospheric CO 2 concentrations) on the environmental behavior of heavy metal pollutants and the associated ecological and health risks. The microbiological responses to elevated CO 2 levels are primarily mediated by the C balance in agricultural activities; however, the underlying mechanisms involved in plant–soil–microbe interactions under heavy metal stress are still unclear. Thus, in this study, the challenges and perspectives with regard to controlling heavy metal pollution and optimizing crop yields while reducing greenhouse emissions in agricultural ecosystems responsive to elevated CO 2 levels are discussed. Considering the integrated benefits of intensive agriculture and food security under a future changing climate, the summarized findings provided in this study may help to develop applicable remediation approaches for sustainably managing heavy metal polluted soils.

Suggested Citation

  • Xiaojie Wang & Qian Zhang & Nan Shan & Hongyan Guo, 2023. "The Impacts of Elevated CO 2 Levels on Environmental Risk of Heavy Metal Pollution in Agricultural Soils: Applicable Remediation Approaches for Integrated Benefits," Agriculture, MDPI, vol. 13(8), pages 1-8, August.
    • Handle: RePEc:gam:jagris:v:13:y:2023:i:8:p:1607-:d:1217208
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    References listed on IDEAS

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    1. Ben Bond-Lamberty & Allison Thomson, 2010. "Temperature-associated increases in the global soil respiration record," Nature, Nature, vol. 464(7288), pages 579-582, March.
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