Collectively known as "small plastic particles," they range in size from five millimeters or smaller (microplastics) to less ...

Microplastics have been steadily increasing in rivers, and levels are directly tied to rising plastic production, a new study ...

Microplastics have been steadily increasing in freshwater environments for decades and are directly tied to rising global ...

Penn State research links rising freshwater microplastics to the global increase in plastic production since the 1950s ...

Microplastics are tiny plastic particles that range in size from one micrometer, or 1/100 of the width of a human hair, to 5 millimeters, which is about the size of a pencil eraser. They can come ...