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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. Since WHO’s last 2005 global update, there has been a marked increase of evidence that shows how air pollution affects different aspects of health. Source: WHO.

Pollution 435
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Global study links daily exposure to ozone pollution to increased risk of death

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Daily exposure to ground level ozone in cities worldwide is associated with an increased risk of death, according to the largest study of its kind, published in an open-access paper in The BMJ. Ground level ozone is a highly reactive gas commonly found in urban and suburban environments, formed when pollutants react in sunlight.

Ozone 243
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EEA report finds most Europeans in cities still exposed to levels of air pollution exceeding WHO guidelines

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The European Environment Agency’s (EEA’s) “ Air quality in Europe — 2019 report ” shows that almost all Europeans living in cities are still exposed to air pollution levels that exceed the health-based air quality guidelines (AQGs) set by the World Health Organization (WHO).

Pollution 170
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Upwards of 90% of EU city dwellers exposed to PM2.5 and O3 pollution at levels deemed harmful by WHO

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Despite a decline in emissions of the main air pollutants in Europe in the period 2002–2011, around 90% of city dwellers in the European Union (EU) are exposed to PM 2.5 Lower proportions of EU citizens were exposed to levels of these pollutants exceeding the limits or targets set out in EU legislation. Click to enlarge.

Pollution 223
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Study finds household and outdoor air pollution contributes to more than 5.5 million premature deaths worldwide per year

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New research shows that household (indoor) and outdoor air pollution contribute to more than 5.5 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.

Pollution 150
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SCOPE Biofuels Project Releases Assessment on Environmental Effects of Biofuel Technologies

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The SCOPE (Scientific Committee on Problems of the Environment) International Biofuels Project, has published the full proceedings of its Rapid Assessment workshop on the environmental effects of biofuel technologies, 22-25 September 2008. SCOPE is part of the International Council for Science.