Harnessing the Power of Fungi for Environmental Cleanup

Mycoremediation — the use of fungi to break down or absorb environmental pollutants — offers a promising, cost-effective, and eco-friendly alternative to conventional methods for restoring contaminated sites.

2 minute read

April 1, 2025, 8:00 AM PDT

By Clement Lau


Close-up of small brown mushrooms growing in soil and moist green moss.

Henri Koskinen / Adobe Stock

Fungi are emerging as vital allies in the fight against environmental pollution, thanks to a process called mycoremediation — the use of fungi to break down, transform, or accumulate pollutants in soil and water. As industrial activity continues to escalate, soil pollution has become a global crisis, impacting billions of people and threatening food security. Fungi, particularly species like Pleurotus ostreatus (oyster mushroom), possess powerful, non-specific enzymes capable of breaking down complex toxic compounds, including oil, pesticides, and even synthetic dyes. Some fungi can also absorb or convert heavy metals and radioactive substances into less harmful forms, offering a powerful and natural method for decontaminating hazardous sites.

Mycoremediation is often more cost-effective and ecologically sustainable than conventional “dig and dump” remediation methods. Tailored to each site, this approach can utilize fungi already present in local soils or introduce well-tested species along with biodegradable substrates such as wood chips or agricultural waste. As reported by Sam Gandy, fungi not only break down pollutants but also improve soil structure and support ecosystem regeneration, especially when working in synergy with plants and bacteria. Mycorrhizal fungi, for instance, help plants withstand toxins while expanding root networks and boosting microbial decomposition activity.

Despite its promise, mycoremediation faces barriers such as limited field research, regulatory hurdles, and the challenge of translating lab results to real-world conditions. Nonetheless, early trials and initiatives—like the work of ecotoxicologist Dr. Danielle Stevenson and the newly launched Centre for Applied Ecological Remediation—are sowing the seeds of hope. With proper investment, public engagement, and interdisciplinary collaboration, fungi may become an indispensable part of our toolkit for ecological restoration and environmental justice.

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