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CMIP6: Not-so-sudden stratospheric cooling

Real Climate

2012) described the issues as ‘mysterious’, but efforts to better correct the record for non-climatic effects soon bore fruit, and the ‘mystery’ became history ( Maycock et al., 2023 ) and also in the “Climate Drivers” animation. Thompson et al. But why is the stratosphere increasingly chill?

Cooling 254
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Improving EPA’s Latest Ozone Transport Rule

Acoel

Units with existing advanced NOx controls must optimize their utilization by 2023. The proposed rule would provide de minimus air quality benefits in downwind areas with extremely high costs – estimated by EPA at $22 billion discounted 2016 dollars for the 2023-2042 period. ppb in 2023, with typical reductions of 0.1

Ozone 40
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The Rise and Decline of Coal Mining Jobs, 1970-2022

Acoel

EPA regulations under the Clean Air Act for controlling mercury, sulfur dioxide, ozone and other pollutants have contributed to the employment decline. Job losses have accelerated since 2012 with the development of low-cost fracking for natural gas. DOE’s 2023 Annual Coal Report indicates that total U.S.

2022 52
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Air District Targets Southern California Logistics Industry

Clean Energy Law

The Basin does not meet the state or federal ambient air quality standards for ozone and particulate matter, and existing regulations have to date proved insufficient to bring the Basin into compliance. According to the 2016 AQMP, mobile sources contributed about 88% of total NO x emissions in the Basin in 2012.

Ozone 130
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FTC Seeks Public Input on Update to Green Guides for Environmental Claims

Greenbuilding Law

The Green Guides were first issued in 1992 and were revised in 1996, 1998, and 2012. The Need for Additional Guidance: The FTC also seeks comment on the need for additional guidance regarding claims such as “compostable,” “degradable,” ozone-friendly,” “organic,” and “sustainable,” as well as those regarding energy use and energy efficiency.

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House Committee Reports Out Bill Requiring The Evaluation Of Cumulative Impacts Of Some New Pollution Sources On Communities Already Burdened By Pollution; And Other Bills

PA Environment Daily

PaEN] -- New State Health Plan Identifies Health Issues Related To Natural Resource Extraction, Climate Change In Top 5 Threats To Health Outcomes; No Update On University Of Pittsburgh Oil & Gas Health Impacts Study [PaEN] -- DEP Environmental Justice: State Dept.

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Sabin Center Files Amicus Brief in Support of New GHG Vehicle Emissions Standards

Law Columbia

The Obama Administration set the first vehicle GHG emissions standards in 2010 for vehicles manufactured in model years 2012 through 2016, and set revised standards in 2012 for model years 2017 through 2025. per year. National League of Cities and U.S.