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NOAA study finds reducing particulate air pollution in N America & Europe increases hurricanes in N Atlantic

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A new NOAA study covering four decades of tropical cyclones found that reducing particulate air pollution in Europe and North America has contributed to an increase in the number of tropical cyclones in the North Atlantic basin and a decrease in the number of these storms in the Southern Hemisphere.

Pollution 370
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Studies find global COVID-19 lockdowns have significantly reduced PM2.5 and NO2 pollution, but ozone up

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Levels of two major air pollutants have been reduced significantly since lockdowns began in response to the COVID-19 pandemic, but a secondary pollutant—ground-level ozone—has increased in China, according to new research. For comparison, columns over the same time periods are shown for 2019.

Ozone 291
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Latest GHG Inventory shows California remains below 2020 emissions target; much steeper rate of GHG reductions required

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California’s latest greenhouse gas data shows that while the state continues to stay below its 2020 target for emissions, there is much more work to do to achieve carbon neutrality by 2045. California statewide GHG emissions dropped below the 2020 GHG Limit in 2016 and have remained below the 2020 GHG Limit since then.

2020 221
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UCL-led study finds climate impact caused by growing space industry needs urgent mitigation

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The rapidly growing space industry may have a greater climate effect than the aviation industry and undo repair to the protective ozone layer if left unregulated, according to a new study led by UCL and published in the journal Earth’s Future as an open-access paper. —Ryan et al. —Ryan et al.

Climate 428
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NCAR-led study finds COVID-19 lockdowns temporarily raised global temperatures due to reductions in aerosols

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The lockdowns and reduced societal activity related to the COVID-19 pandemic affected emissions of pollutants in ways that slightly warmed the planet for several months last year, according to new research led by the National Center for Atmospheric Research (NCAR). C) over much of the United States and Russia.

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ABB, Hydrogène de France jointly to manufacture megawatt-scale fuel cell systems capable of powering ocean-going vessels

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With the ever-increasing demand for solutions that enable sustainable, responsible shipping, we are confident that fuel cells will play an important role in helping the marine industry meet CO 2 reduction targets. Fuel cells are widely considered as one of the most promising solutions for reducing harmful pollutants.

France 397
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California Assembly weighing integrating air pollution performance into GHG cap-and-trade

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This bill creates a framework for grading industrial facilities’ air quality performance and creating a uniform air pollution standard that facilities must meet to receive allocation of free allowances from the California Air Resources Board (ARB) beginning in 2021. CNR passed the proposal on Monday.

Pollution 150