She made a special study of diatoms because they were quick to absorb pollutants.

Officials said that when fully grown the trees would absorb pollutants and serve as a physical barrier.

Carpets, like all soft furnishings, absorb pollutants.

In addition, a soil's chemistry also determines its corrosivity, stability, and ability to absorb pollutants and to filter water.

Wetlands store floodwaters, reduce erosion patterns, maintain stream flows, absorb pollutants and increase groundwater levels.