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WHO issues new, lower Global Air Quality Guidelines for classical pollutants

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New WHO has issued new Global Air Quality Guidelines (AQGs) that reduce levels of key air pollutants, some of which also contribute to climate change. Recommended 2021 AQG levels compared to 2005 air quality guidelines. They are applicable to both outdoor and indoor environments globally, and cover all settings. Source: WHO.

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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. Life cycle GHG assessment guidelines adopted.

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U Birmingham study finds DPFs have limited impact on ultrafine particle emissions

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An open-access paper on their work is published in the journal Environment International While the World Health Organization has not yet set a guideline for safe levels of ultrafine particles, it recognizes that particulate pollution overall is associated with negative impacts on cardiovascular and respiratory health.

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International Copper Association pledges to achieve net zero carbon emissions by 2050

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In a new roadmap launched by the International Copper Association (ICA), members have aligned on an ambition to reach net zero in Scope 1 and Scope 2 emissions by 2050, and work toward the same goal for Scope 3 emissions. The Copper—The Pathway to Net Zero roadmap builds on previous best practice guidelines by ICA.

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Government of Canada releases framework for ending fossil fuel subsidies

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The Assessment Framework builds on Canada’s commitment under the 2021 Glasgow statement to end new direct public support for the international unabated fossil fuel energy sector. The Guidelines are in effect and apply to all federal departments and agencies. C, and account for the availability of credible alternative energy sources.

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ClassNK issues AiP for ammonia fuel supply system for oil tanker and container ship developed by Samsung Heavy

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ClassNK carried out a review of a conceptual design of the system developed by SHI based on the part C of its “Guidelines for Ships Using Alternative Fuels”. ClassNK carried out a review of a conceptual design of the system developed by SHI based on the part C of its “Guidelines for Ships Using Alternative Fuels”.

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ClassNK issues Approval in Principle (AiP) for ammonia-fueled Panamax bulk carrier

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While international standards for using ammonia as a ship fuel are yet to be developed, ClassNK published its “Guidelines for Ships Using Alternative Fuels” in August 2021 to minimize the risks related to ammonia-fueled ships for the ships, crew, and environment by stipulating requirements for installation, controls, and safety devices.

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