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USC study shows promising potential for giant-kelp-based biofuel with depth-cycling approach

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physically moving the macroalgae between deep nutrient-rich water at night and shallow depths within the photic zone during the day to optimize growth. 13 C values suggesting that the depth-cycled kelp were not nitrogen-deficient and assimilated nutrients from deep water. The researchers used a depth-cycling approach—i.e.,

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Alaska Native Corporation Proposes Underground Coal Gasification Project with Carbon Capture for Power Generation

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CIRI), an Alaska Native corporation, is proposing an underground coal gasification (UCG) project that would use the resulting syngas to fuel a new 100 MW combined cycle power plant. CIRI executives presented the plan to state lawmakers at a joint hearing in Alaska on Friday. Source: CIRI. Click to enlarge. Cook Inlet Region Inc.

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University of Alberta Researchers Find That Oil Sands Industry Is Releasing More Pollutants Into Athabasca River System Than Previously Estimated

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New research from a team at the University of Alberta, Canada, finds that Alberta’s oilsands industry is releasing more pollutants into the Athabasca River, its tributaries and its watershed than previously estimated. The pollutants found include mercury, arsenic, lead and cadmium.

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ICCT finds growth in shipping in Arctic could increase pollutant emissions 150-600% by 2025 with current fuels

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While that report projected vessel activity, it did not explore the environmental impacts of increased shipping in terms of air emissions or the potential climate impacts from increases in short-lived climate pollutants such as black carbon. Click to enlarge. ships diverting from prior routes to Arctic routes. Regulatory background.

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EPA issues final air quality permits to Shell for Arctic oil and gas exploration; fleet emissions reduced 50+% from 2010 permits

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EPA Region 10 has issued final air quality permits to Shell for oil and gas exploration drilling in the Alaska Arctic. The permits set limits on air pollution from these vessels. EPA Region 10 issued similar OCS/PSD air permits to Shell in 2010. EPA Region 10 revised the permits to address the issues raised by the Board.

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BOEMRE awards $5.6M for Arctic environmental study to inform decision-making on potential energy development in the Chukchi Sea; $500K for study on ice fracturing

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Ongoing studies have highlighted Hanna Shoal as an important biological ecosystem between the Chukchi Sea and Arctic Ocean waters. The Hannah Shoal study is one of approximately 40 ongoing studies the bureau’s Alaska Region is currently coordinating and managing. BOEMRE map showing location of Hanna Shoal (red arrow). Click to enlarge.

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EPA releases draft air quality permits for Shell and ConocoPhillps Arctic oil exploration activities

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The US Environmental Protection Agency (EPA) released two additional draft air quality permits for Shell Oil Company and ConocoPhillips Company exploratory oil drilling operations in the Alaska Arctic Outer Continental Shelf. Final permits will be issued after public comments are reviewed and considered.

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