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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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Ensuring Underwater Robots Survive in Hot Tropical Waters

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The hot, humid environment of tropical marine areas such as Australia’s Great Barrier Reef can wreak havoc on the marine autonomous systems. Underwater and surface MAS are used for marine monitoring, locating objects such as mines on the seafloor, and rescuing swimmers.

Water 92
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Study Finds Biodiesel Easily Susceptible to Anaerobic Biodegradation, With Resulting Accelerated Biocorrosion of Metal

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In a fuel environment, anaerobic conditions prevail whenever heterotrophic microbial respiration consumes oxygen at a rate that exceeds diffusion. The corrosion of pipelines, tanks, storage units, and associated equipment increases the risk of the release of hazardous materials to the environment, with concomitant pollution issues.

Mariner 287
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Climate Expert: Don't Call It Geoengineering

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by spewing pollution into the air. The largest blue bar is the effect of pollution particles on clouds. [[The It's a cooling effect and it's happening all over the world as a result of pollution from factories, ships, and cars. We're planning to remove that pollution, so it would be wise for us to understand that effect.

Climate 144
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This Startup Is Building the Internet of Underwater Things

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This is a sponsored article brought to you by LEMO. Pioneering underwater network technology There are a few marine research stations scattered around the globe (like needles in algal stacks). An increasing number of intelligent marine objects have also been created (sensors, buoys, autonomous vehicles, probes).

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Study on Greenhouse Gas Emissions from Global Cities Highlights Importance of Geophysical and Technical Factors

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The researchers determined the global warming potential, expressed in carbon dioxide equivalents (t e CO 2 ), for seven components of urban inventories: electricity, heating and industrial fuels, industrial processes, ground transportation, aviation, marine, and waste. Miroslav Havránek, Charles University Environment Center.

Emissions 199
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Study Concludes That Use of Cellulosic Feedstocks to Meet US Biofuel Requirements Will Still Likely Result in Expansion of the Gulf Dead Zone

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Fertilizer applied to cornfields in the central US—including states such as Illinois, Iowa, Nebraska and Wisconsin—is the primary source of nitrogen pollution in the Mississippi River system, which drains into the Gulf of Mexico. Article ASAP doi: 10.1021/es9011433. Earlier post.). Earlier post.). Michael Griffin and H. Landis and H.