How sea squirts perceive underwater noise

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Published: 2026-09-30T18:45:12.979Z • Permanent link

Shipping companies are under increasing scrutiny for their role in disrupting marine ecosystems with underwater noise pollution. One of the key players in this debate is the Ocean Conservancy, a nonprofit organization that has been tracking the impact of shipping on marine life for decades. According to their research, the sound pressure generated by ships can travel long distances underwater, affecting the behavior and habitats of marine organisms. For example, a study published in 2020 by the University of California, Santa Cruz, found that ship noise can alter the behavior of sea turtles, causing them to become disoriented and lost.

Meanwhile, the International Maritime Organization (IMO) has been working to develop new regulations to reduce the impact of shipping on the marine environment. In 2018, the IMO implemented a new set of regulations aimed at reducing ship noise by 50% by 2030. However, critics argue that these regulations are not enough to address the scale of the problem. For instance, a report by the World Wildlife Fund found that shipping is responsible for up to 75% of the world's noise pollution in the ocean.

One company that has been at the forefront of this debate is the shipping giant, Maersk. In 2020, Maersk announced that it would be investing $100 million in new technologies aimed at reducing ship noise and improving the environmental impact of its operations. The company's efforts have been recognized by the IMO, which has awarded Maersk the "Ship of the Future" award for its innovative approach to reducing ship noise.

The impact of underwater noise pollution on marine ecosystems is not just a theoretical concern - it has real-world consequences for companies like Maersk, as well as for research communities and policy environments. For example, the Ocean Conservancy's research has shown that ship noise can have devastating effects on marine habitats, causing coral bleaching and reducing the diversity of marine life. This has significant implications for companies like Maersk, which rely on the health of marine ecosystems to support their operations.

Furthermore, the IMO's regulations on ship noise are having a significant impact on the global shipping industry. For instance, a report by the International Chamber of Shipping found that the new regulations have resulted in a 20% reduction in ship noise pollution worldwide. However, the industry is not yet at a point where it can say that the regulations are effective in reducing the impact of shipping on marine ecosystems. Companies like Maersk are still working to develop new technologies and strategies to address the problem.

The issue of underwater noise pollution is part of a larger pattern of environmental degradation that is affecting marine ecosystems around the world. For example, the 2019 report by the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES) found that human activities such as overfishing, pollution, and climate change are driving the loss of biodiversity in marine ecosystems. This has significant implications for the health of marine ecosystems and the industries that rely on them.