A goal of researchers at the WCROC is to identify issues of concern to agriculture and develop solutions so that agriculture can be prepared for these issues. Over the past decade, awareness has grown about two emerging pollution concerns that could threaten agriculture: poly- and perfluoroalkyl substances (PFAS) and microplastics.
Microplastic pollution is a global problem caused by the improper disposal of plastics we use in everyday life. Over time, plastics break down into tiny particles that can be carried by water and wind to all corners of the planet. In agriculture, farmers rely on various plastic products or products packaged in plastic containers. Additionally, wind and human activity can bring microplastics onto farms and fields.
PFAS are a group of chemicals used in many consumer products. These chemicals can be released during the production, use, and disposal of those products. PFAS are unique because their chemical structure makes them highly resistant to breakdown. Even at low concentrations, they are known to cause health problems. Plants, animals, and people that consume contaminated water or food can accumulate PFAS in their tissues. In some cases, farms have been so severely contaminated that they can no longer be used for agriculture.
In 2022, WCROC researchers began studying how PFAS and microplastics might affect agriculture in Minnesota. This research is part of an effort to develop a toolbox of resources to help farmers and others understand these pollution issues and explore potential solutions. Funding for this project was provided by the Minnesota Environment and Natural Resources Trust Fund as recommended by the Legislative-Citizen Commission on Minnesota Resources (LCCMR). Currently 40% of net Minnesota State Lottery proceeds are dedicated to growing the Trust Fund and ensuring future benefits for Minnesota’s environment and natural resources.
Microplastics and PFAS Information Toolbox:
(These are likely to be revised over time, check back for the latest)
- Microplastics: Introduction to Microplastics
- Factsheet: Agricultural Plastics and Microplastics
- Newspaper Article: Microplastics in the Food Production System (2023)
- Newspaper Article: Microplastic contamination in Agriculture (2024)
- Report: Ag Plastic Information Survey
- PFAS: Introduction to PFAS
- Factsheet: PFAS and Agriculture
- Newspaper Article: Forever Chemicals may be a Concern for Agriculture (2023)
- Newspaper Article: PFAS contamination in agriculture, an update. (2024)
- Technical Report: Making the Connection Between PFASs and Agriculture
- Technical Report: TEA of Treatment Methods to Remediate PFAS
- Multimedia Content
- Podcast: Microplastics and PFAS
- Video: Invisible Contaminants In Food