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China study connects ozone pollution to cardiovascular health

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Exposure to ozone, long associated with impaired lung function, is also connected to health changes that can cause cardiovascular disease such as heart attack, high blood pressure and stroke, according to a new study of Chinese adults. The findings associated ozone exposure with markers of platelet activation and increased blood pressure. They monitored indoor and outdoor ozone levels, along with other pollutants. The 24-hour ozone exposure concentrations ranged from 1.4

2017 163

Fast action on black carbon, ozone and methane could help limit global temperature rise to 2 degrees C

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Global benefits from full implementation of the identified measures in 2030 compared to the reference scenario. Fast action on pollutants such as black carbon, ground-level ozone and methane may help limit near term global temperature rise and significantly increase the chances of keeping temperature rise below 2 °C (3.6 °F)—and ventilation air from coal mines. Replacing coal by coal briquettes in cooking and heating stoves.

2011 191
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International study identifies 14 key measures to reduce methane and black carbon emissions; reduction in projected global mean warming of ~0.5 °C by 2050

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A study by an international team of researchers, led by Drew Shindell of NASA’s Goddard Institute for Space Studies (GISS) in New York City, has identified 14 measures targeting methane and black carbon (BC) emissions that could reduce projected global mean warming ~0.5°C In addition, they darken ice and snow, reducing their reflectivity and hastening global warming. Methane is both a potent greenhouse gas and an important precursor to ground-level ozone.

2012 218

UNEP study: small number of measures targeting black carbon and tropospheric ozone could yield immediate climate benefits

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Global benefits from full implementation of the identified measures in 2030 compared to the reference scenario. A small number of emissions reduction measures targeting black carbon (BC) and tropospheric ozone (O 3 ) could immediately begin to protect climate, public health, water and food security, and ecosystems, according to a study, Integrated Assessment of Black Carbon and Tropospheric Ozone , newly released by the United Nations Environment Programme (UNEP).

2011 191

WHO links 7 million premature deaths annually to air pollution; 12.5% of total global deaths

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The World Health Organization now estimates that in 2012 around 7 million people died—one in eight (12.5%) of total global deaths—as a result of air pollution exposure. Poor women and children pay a heavy price from indoor air pollution since they spend more time at home breathing in smoke and soot from leaky coal and wood cook stoves. million deaths in 2012 in households cooking over coal, wood and biomass stoves. Ozone.

2014 288

Study Finds Controlling Soot May Be Fastest Method to Reduce Arctic Ice Loss and Global Warming; Second-Leading Cause of Global Warming After CO2

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Controlling soot from fossil fuels and solid biofuels may be a faster method of reducing Arctic ice loss and global warming than other options, including controlling CH 4 or CO 2 , although all controls are needed, according to a new study by Dr. Mark Z. Results of the study suggest that soot is second only to carbon dioxide in contributing to global warming. 1990; Anisimov, 2007] and chemical production of ozone in already-polluted locations [Jacobson, 2008b].

2010 199

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

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Seven billion people, more than 95% of the world’s population, lived in areas exceeding the WHO Guideline for healthy air in 2016, according to a new global study. 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). State of Global Air 2018. Population-weighted seasonal average ozone concentrations in 2016.

2018 195

Study: 87% of world’s population in 2013 lived in areas exceeding WHO PM2.5 guidelines

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annual average), according to a major international study published in the ACS journal Environmental Science & Technology. Between 1990 and 2013, global population-weighted PM 2.5 Additionally, the study found that the population-weighted mean concentrations of ozone increased globally by 8.9% The Global Burden of Disease (GBD) 2013 provided important estimates of the global health impacts attributable to ambient air pollution. and ozone (O 3 ).

2015 183

Renault makes public its lifecycle study of Fluence ICE vs Fluence EV

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Renault recently made public the findings of an internal study, published first in October 2011, detailing and comparing the lifecycle assessments (LCAs) of the battery-electric and two internal combustion engined versions (gasoline and diesel) of the Renault Fluence. Renault selected six environmental indicators for the LCA: Global Warming 100yr Potential (kg CO 2 equivalent). in the atmosphere and consequently of global warming potential.

2013 291

Study finds household and outdoor air pollution contributes to more than 5.5 million premature deaths worldwide per year

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In the context of the Global Burden of Disease 2013 study ( earlier post ), researchers from Canada, the United States, China and India quantified air pollution levels and attributable health impacts for 188 countries for the period 1990-2013. of all global deaths) caused by outdoor fine particulate air pollution and an additional 215,000 deaths from exposure to ozone. In China, burning coal is the biggest contributor to poor air quality.

2016 150

NOAA greenhouse gas index continues climbing; 1.29 in 2010

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It also includes several chemicals known to deplete Earth’s protective ozone layer, which are also active as greenhouse gases. The 2010 AGGI reflects several changes in the concentration of these gases, including: A continued steady increase in carbon dioxide: Global carbon dioxide levels rose to an average of 389 parts per million in 2010, compared with 386 ppm in 2009, and 354 in the index or comparison year of 1990.

2011 179

Test of Planet-Cooling Scheme Could Start in 2022

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Up there, 10 to 50 kilometers above the Earth’s surface, ozone molecules absorb the sun’s ultraviolet light, protecting life far below. record levels , mostly because of the coal, oil, and natural gas that gets burned for electricity, heat, and transportation.

Ozone 108

Abt life-cycle analysis of different Li-ion chemistries for PHEVs and EVs identifies opportunities for improving environmental profile of batteries

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The LCA study was conducted consistent with the International Standards Organization (ISO) 14040 series, which stipulates four phases of an LCA: goal and scope definition; life-cycle inventory (LCI); life-cycle impact assessment (LCIA); and interpretation. The authors found that global warming potential (GWP) is one of the few impact categories in which EV batteries show lower impacts than PHEV-40 batteries.

2013 185

NASA GISS Study Finds That Methane Has an Elevated Warming Effect Due to Interactions With Aerosols

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The 100-year global warming potentials (GWPs) for methane, CO, and NO x (per Tg N) as given in the AR4 and in this study when including no aerosol response; the direct radiative effect of aerosol responses; and the direct+indirect radiative effects of aerosol responses. New research by a team at the NASA Goddard Institute for Space Studies (GISS) in New York suggests that gas-aerosol interactions can amplify the global warming impact of some greenhouse gases.

2009 224

Researchers describe the “where” and “when” of life cycle emissions from gasoline and ethanol in the US

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Life cycle inventories have typically been presented at global, national, or regional levels—sufficient for understanding global processes such as climate change and fossil fuel depletion, but insufficient for the analysis of local processes such as air pollution, according to the researchers. 60% of ground-level ozone (O 3 ) precursors, 6% of fine particulate matter (PM 2.5 ), and 22% of greenhouse gases (GHGs) emitted.

2012 204

House Chairmen Waxman, Markey Release Draft of Energy and Climate Legislation; Among the Many Provisions Are Cap-and-Trade, Harmonization of CAFE and California Vehicle Regulations, and Low Carbon Fuel Standard

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The bill also establishes an interagency council to ensure an integrated federal response to adapting to the effects of global warming. The draft promotes development of carbon capture and sequestration (CCS) technologies to establish a continuing place for coal in the US energy mix. The draft includes a CCS early demonstration program, incentives for the wide-scale commercial deployment of CCS, and performance standards for new coal-fired power plants. Chairman Henry A.

2009 174