Ports rank among the most disturbed marine environments. Pollutants like trash, oil and toxins from antifouling paints tend to accumulate in enclosed harbors. Invasive species arriving in ballast water may displace native wildlife, while ship propellers, sonars and dredging cause noise pollutio...
Source: [Phys.org](https://phys.org/news/2026-07-chicken-kidney-sponge-outstanding-polluted.html)