Advancing Microplastics Research in Tennessee’s Freshwater Systems

A New Partnership Supporting Microplastics Research

iSustain has launched a philanthropic partnership with the Tennessee Aquarium to support ongoing microplastics research focused on freshwater ecosystems in Tennessee and the greater Tennessee Valley.

The Tennessee Aquarium, a 501(c)(3) nonprofit organization, works to connect people with nature and empower informed decisions about water and wildlife. That mission aligns closely with iSustain’s commitment to protecting natural resources through measurable sustainability programs across the United States.

Through this partnership, iSustain is supporting research efforts aimed at understanding and reducing freshwater microplastic pollution in regional waterways.

Why Microplastics Research Matters in the Tennessee River

Microplastics are tiny plastic particles, typically less than five millimeters in size, that enter waterways through waste breakdown, runoff, and other sources.

A study conducted by Dr. Andreas Fath of Furtwangen University found that water near the surface of the Tennessee River contained microplastic concentrations significantly higher than levels measured in Germany’s Rhine River. Findings like this underscore the importance of localized microplastics research in freshwater systems.

Historically, most global microplastics research has focused on marine environments. Freshwater systems such as rivers and streams have received less attention, despite serving as major pathways for plastic pollution entering oceans.

In the Tennessee River watershed, researchers are working to better understand:

• Sources of microplastics

• Distribution throughout the water column

• Potential impacts on freshwater aquatic organisms

• How plastic waste from landfills may contribute to downstream pollution

This research is critical to protecting regional biodiversity and downstream ecosystems.

What Is Microplastics Research?

Microplastics research is the scientific study of small plastic particles in natural environments. Researchers examine:

• Where microplastics originate

• How they move through water systems

• Their concentration levels

• Their biological impacts on fish, invertebrates, and wildlife

• Long-term environmental and human health implications

In freshwater systems like the Tennessee River, this work helps scientists identify pollution patterns and develop strategies for mitigation and prevention.

iSustain’s 3-Year Sponsorship Commitment

iSustain has committed to a three-year sponsorship supporting the Tennessee Aquarium Conservation Institute’s freshwater microplastics research initiatives.

This financial support helps advance:

• Field sampling and laboratory analysis

• Data collection on regional waterways

• Public education and conservation awareness

• Collaboration with research partners and universities

As sustainability strategists, iSustain works with businesses nationwide to design measurable environmental programs. Supporting microplastics research in Tennessee reflects the company’s broader mission to reduce waste and protect ecosystems at both regional and national levels.

Strengthening Freshwater Conservation in the Tennessee Valley

The health of the Tennessee River watershed affects communities far beyond state lines. Rivers serve as connectors between local ecosystems and global oceans. Addressing microplastic pollution at the freshwater level plays a critical role in preventing broader environmental damage.

Through its partnership with the Tennessee Aquarium, iSustain is helping expand awareness, research capacity, and long-term conservation strategies focused on freshwater systems in the Southeast.

As microplastics research continues to evolve, localized data from the Tennessee River and surrounding waterways will be essential in shaping future environmental policy and sustainability initiatives.

Frequently Asked Questions About Microplastics Research

What are microplastics?

Microplastics are small plastic particles, typically under five millimeters in size, that result from the breakdown of larger plastic waste or are manufactured at small sizes for industrial use.

Why is microplastics research important?

Microplastics research helps scientists understand how plastic pollution affects freshwater and marine ecosystems, wildlife, and potentially human health.

Why study microplastics in freshwater systems?

Freshwater rivers and streams act as major transport pathways for plastic pollution into oceans. Studying rivers like the Tennessee River provides insight into upstream pollution sources.

Who is conducting microplastics research in Tennessee?

The Tennessee Aquarium Conservation Institute, in collaboration with research partners such as Dr. Andreas Fath and supported by organizations like iSustain, is advancing freshwater microplastics research in the region.