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Study finds rising temperatures increase risk of unhealthy ozone levels absent sharp cuts in precursors

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Ozone pollution across the continental United States will become far more difficult to keep in check as temperatures rise, according to new work led by the National Center for Atmospheric Research (NCAR). Ozone formation. Even short periods of unhealthy ozone levels can cause local death rates to rise.

Ozone 199
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HEI: 95%+ of world’s population live in areas of unhealthy air

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Air pollution is the leading environmental cause of death worldwide according to the State of Global Air 2018 , the annual report and interactive website published by the Health Effects Institute (HEI). Comparison of 2016 annual average PM 2.5 Population-weighted seasonal average ozone concentrations in 2016. contributed to 4.1

Pollution 218
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GISS study finds applying stricter non-CO2 vehicle emission standards worldwide would yield climate benefits in addition to major health and agricultural benefits

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used global composition-climate modelling to examine the integrated impacts of adopting stringent European on-road vehicle-emission standards for non-CO 2 pollutants in 2015 in many developing countries. million metric tons of avoided ozone-related yield losses of major food crops; $US0.6-2.4 Shindell et al. Shindell et al.’s

Climate 231
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EPA report to Congress finds a strong scientific and technical foundation for mitigating black carbon emissions

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BC is a significant component of particulate matter (PM) pollution, which has been linked to adverse health and environmental impacts through decades of scientific research. Most of this infrared radiation passes through the atmosphere, but some is absorbed by GHG molecules like CO 2 , methane, ozone and others. Earlier post.).

Congress 252