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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. The goal of the guideline is for all countries to achieve recommended air quality levels. Source: WHO.

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AISI releases GHG emissions guidelines for steel

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The American Iron and Steel Institute (AISI) has released recommended steel industry greenhouse gas (GHG) emissions calculation guidelines to provide consistent and comprehensive data across the industry on GHG emissions from steel production, with a focus on product-level disclosures and corporate-level reporting.

Emissions 199
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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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ClassNK releases guidelines for liquefied hydrogen carriers

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Classification society ClassNK has released its Guidelines for Liquefied Hydrogen (LH 2 ) Carriers for the safe constructions and operation of LH 2 carriers based on provisions of the IMO Interim Recommendations. As the most efficient way for long distance and large volume transportation, carriage of LH 2 by a ship is anticipated to expand.

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New study confirms extensive gas leaks in the North Sea; recommends stricter guidelines for handling of abandoned wells

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The work, published in the International Journal of Greenhouse Gas Control , confirms earlier studies based on a greatly extended data basis. International Journal of Greenhouse Gas Control doi: 10.1016/j.ijggc.2020.103119. On the basis of investigations directly on the seafloor it was possible to determine the amount of escaping gas.

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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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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. 2023.107888

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