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NGOs Demand Underwater Noise Cuts For Shipping - Reduced Speed Also Key to Climate and Ocean health




As a workshop exploring the relationship between energy efficiency and underwater radiated noise from shipping closes today at the International Maritime Organization (IMO) in London, the Clean Arctic Alliance called for international action to support the sector’s transition to ships that are both more efficient and quieter as efforts to decarbonise the global shipping fleet are stepped-up.

“The message from this workshop couldn’t be clearer: the IMO must design its future climate regulations, especially those targeted at cutting emissions deeply before 2030, keeping in mind both CO2 emissions and the urgent need to reduce underwater noise pollution to protect ocean health”, said John Maggs, President of the Clean Shipping Coalition. “A healthy ocean is an essential ally in the struggle to limit global heating, and the measures that will bring down climate impacts fast - reduced ship speed and the use of wind power - are also good for ocean health.”  

“Several speakers agreed there are many ways to reduce underwater noise from shipping, so the time is right to agree on noise reduction measures”, said Eelco Leemans, Technical Advisor to the Clean Arctic Alliance. “Canada has initiated measures that could be implemented in the short term in sensitive areas such as the Arctic Ocean. It is also promising to hear that wind propulsion is developing swiftly and is now one of the most promising methods to reduce greenhouse gas emissions and underwater noise and URN at the same time."

Workshop attendees left with a sense of optimism for the work ahead. “We encourage the IMO to develop a toolkit to guide ship design from original requirement specifications to a final design that optimises energy efficiency and underwater noise reduction,” said Sarah Bobbe, Senior Program Manager at Ocean Conservancy. “The toolkit could include a step-by-step process that allows evaluation of a number of different treatment options while still meeting the operational specifications of the vessel.”

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