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ICCT life-cycle analysis finds no climate benefit in using LNG as marine fuel

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The results of a new analysis by the International Council on Clean Transportation (ICCT) show that, when combined with a trend toward higher methane leakage and combustion slip, there is no climate benefit from using liquefied natural gas (LNG) as a marine fuel—regardless of the engine technology. First, it contains very little sulfur.

Mariner 427
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ARPA-E to award up to $5M to investigate extracting rare earth and other critical minerals from macroalgae

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Seaweeds accumulate trace metals in such an efficient way that this process is sometimes used to clean up polluted harbors. Factors including but not limited to cultivation region, cultivation mechanism, the effects of water quality and proximity of natural mineral sources, and harvest strategy are of interest. Background.

Wind 284
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Cargill partners with Kotug to launch first electric pusher tug and barge

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Animated movie of the Kotug E-Pusher type M Pushers and barges are essential, efficient methods of delivering goods by water from Dutch ports to the Netherlands and beyond. Cargill is the first company to put into operation fully electrified pusher and barges for inland shipping, eliminating both emissions and noise pollution.

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Study measures the effect of regional change in clouds caused by ships’ emissions; masking GHG warming

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This puffy line is not just exhaust from the engine, but a change in the clouds that’s caused by small airborne particles of pollution. Pollution from ships creates lines of clouds that can stretch hundreds of miles. The difference helps explain how much industrial pollution influences clouds. NASA Earth Observatory.

Emissions 223
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NTNU study finds ships’ and spare parts’ contribution to offshore wind power lifecycle impacts has been underestimated

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Components: WT = wind turbine; Fnd = foundation; EC = electrical connections, including substation; Inst = installation; IOo = input-output, other; Mnt = Maintenance, excluding replacement parts; RP = replacement parts; EOL = end-of-life. ships and spare parts”—to the total life cycle impacts of offshore wind power.

Wind 199
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Researchers predict average Gulf of Mexico hypoxic “dead zone” slightly above-average in Chesapeake Bay

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Because of the shallow nature of large areas of the estuary the focus is on water volume or cubic miles, instead of square mileage as used in the Gulf. Aspects of weather, including wind speed, wind direction, precipitation and temperature, also affect the size of dead zones. cubic miles.

Mexico 218
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Study finds paved surfaces in Houston worsen air quality

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New research by a team from the US, China and Japan focusing on the Houston, Texas area suggests that widespread urban development alters weather patterns in a way that can make it easier for pollutants to accumulate during warm summer weather instead of being blown out to sea. ““The very existence of the Houston area favors stagnation.”

Houston 247