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Transport of Surface-modified Carbon Nanotubes through a Soil Column
Published on: April 2, 2015
Global climate change reshapes nanoparticles' fate: rethinking risks and opportunities for soil-plant health
Xinyuan Bu1, Shiyan Qiao1, Danxing Yang1
1Hunan International Scientific and Technological Cooperation Base of Agricultural Typical Pollution Remediation and Wetland Protection, College of Environment and Ecology, Hunan Agricultural University, Changsha, 410128, PR China; Key Laboratory of Agro-Ecological Environmental Remediation and Pollution Reduction and Carbon Mitigation of Hunan Higher Education Institutes, Changsha, 410128, PR China.
Abstract:
Global climate change (GCC) is fundamentally altering soil-plant environments, yet how it reshapes the fate and risks of nanoparticles (NPs) remains poorly understood. This review moves beyond the conventional focus on employing NPs to mitigate climate stress and systematically synthesizes existing findings to elucidate how climate-driven environmental factors regulate NP transport, transformation, and biological effects in soil-plant systems. We show that climate change can modify NP physicochemical properties and dissolution/aggregation dynamics, thereby altering NP bioavailability, plant uptake, and ecotoxicity. We emphasize that extreme climatic events may amplify NP toxicity and highlight that current risk assessment frameworks largely neglect long-term, dynamic climate scenarios. To address these gaps, we further discuss sustainable design strategies for nanomaterials, life-cycle management pathways, and concepts for constructing climate-adaptive risk assessment frameworks. By linking GCC dynamics with the environmental behavior of NPs, this review provides a scientific basis for evaluating NPs ecological risks under climate change and for promoting the safe application of nanotechnologies in sustainable agriculture.
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