Bioremediation uses plants, fungi, and microbes to clean up polluted land in place, offering a nature-based option for restoring contaminated sites in overburdened communities.

Brownfields — polluted and often abandoned industrial or commercial sites — are disproportionately located in low-income communities of color, due to a legacy of redlining and discriminatory land use practices. Traditional cleanup methods, such as excavation and off-site landfill disposal, can be costly and harmful, often shifting the pollution burden to other vulnerable areas. These conventional strategies not only perpetuate environmental injustices but can also release additional contaminants into surrounding neighborhoods.
Bioremediation offers a more equitable, cost-effective, and environmentally sound alternative by using living organisms like fungi, bacteria, and plants to detoxify contaminated soil and groundwater in place. This method, known as in situ remediation, avoids the harmful impacts of excavation and landfill dumping. Researchers like Dr. Danielle Stevenson are pioneering community-led bioremediation projects that restore ecological health while empowering residents to reclaim and transform degraded spaces into parks, affordable housing, and green infrastructure. Examples from Los Angeles, Chicago, and Australia demonstrate its practical potential and applicability.
By incorporating bioremediation into policy, land-use planning, and just transition strategies, communities can reduce health risks, support local economic development, and advance environmental justice. Policymakers can help scale this approach through funding, regulatory reforms, and workforce development. Ultimately, bioremediation is not just a method for cleaning up toxic sites—it’s a tool for healing communities, fostering resilience, and ensuring that those most harmed by industrial pollution are central to the restoration process.
FULL STORY: Bioremediation as an Equitable Approach to Brownfield Cleanup

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Transportation Research & Education Center (TREC) at Portland State University
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