Summary:
- Researchers from the University of Toronto have discovered high levels of microplastics in the Don River and Lake Ontario, which are important water sources for the city.
- Microplastics are tiny pieces of plastic that can be harmful to the environment and wildlife when they enter waterways and oceans.
- The study found that the Don River is a significant source of microplastics flowing into Lake Ontario, highlighting the need for better waste management and reduction of plastic pollution to protect the health of these important water bodies.