Question: We bought a home two years ago. The lanai and pool area has a river-rock surface. The area is more than 400 square feet. The river rock keeps coming off, and it hurts our feet to walk on it.

single. one. Plastic pollution by the River Wear near Chester-le-Street, UK With 2 million microplastics per square kilometre the River Mersey was proportionally more polluted than even the Great ...

The researchers found microplastic contamination in all parts of the network, including a site on the River Tame, which had concentrations up to 517,000 plastic particles per square metre.

The Swan River foreshore in Mosman ... for the location with the most plastic accumulation in Perth’s main waterway. An average of 151 pieces of plastic per square metre was present on the ...