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International Maritime Organization (IMO) adopts revised strategy to reduce GHG emissions from international shipping.

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Member States of the International Maritime Organization (IMO), meeting at the Marine Environment Protection Committee (MEPC 80) earlier this month, adopted the 2023 IMO Strategy on Reduction of GHG Emissions from Ships. The Marine Environment Protection Committee (MEPC) addresses environmental issues under IMO’s remit.

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Siemens increases stake in ocean power specialist Marine Current Turbines to 45%

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Siemens is increasing its stake in Britain’s Marine Current Turbines Ltd. MCT), a maker of horizontal-axis marine current turbines, to 45%. Siemens had acquired a minor stake in MCT in February 2010, thereby entering the marine tidal current sector. Marine current turbines generate electricity by utilizing tidal current flows.

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EPA, US Coast Guard to enforce air pollution requirements for vessels operating in US waters

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Coast Guard (USCG) will jointly enforce US and international air pollution requirements for vessels operating in US waters. The large marine diesel engines that provide propulsion and auxiliary power on many ocean-going vessels emit significant amounts of pollution. Earlier post.).

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Ocean Salinities Show an Intensified Water Cycle; Large Salinity Changes Will Eventually Influence Ocean Circulation

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A new study co-authored by CSIRO (Australia) scientists Paul Durack and Dr. Susan Wijffels finds evidence that the world’s water cycle has already intensified. The stronger water cycle means arid regions have become drier and high rainfall regions wetter as atmospheric temperature increases. Tags: Climate Change Water.

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PowerCell signs development contract for 3.2 MW maritime fuel cell system with Havyard Group

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The system solution that PowerCell and Havyard jointly will design, will be based on several marinized 200 kW fuel cell system modules connected in parallel with a total power of 3.2 When entering the fjords, they can operate fully electric for a long time with no other emissions than water. —Per Wassén.

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Cargill and BAR Technologies bringing wind propulsion to bulk cargo ships

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Changing regulations and uncertainty about future greener marine fuels makes choosing the right vessel to charter with a long-term view complicated. The maritime industry faces a huge challenge to reduce average CO 2 emissions by 40% by 2030 and working towards 70% by 2050, compared with 2008 levels.

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Studies Find Ocean Acidification Will Have Significant Effect on Key Marine Organisms

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Researchers in the Laboratoire d'Océanographie at Villefranche (LOV) (CNRS / UPMC) have demonstrated that key marine organisms, such as deep-water corals and pteropods (shelled pelagic mollusks) will be significantly affected by ocean acidification caused by anthropogenic carbon dioxide emissions during the years to come. Weinbauer M.

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