In most countries in the region covered by the United Nations Economic Commission forEurope (UNECE), ambient air quality has improved considerably in the last few decades. Thishas been achieved by a range of measures to reduce harmful air emissions, including thosestipulated by the various protocols under the Convention on Long-range TransboundaryAir Pollution (1). There is, however, convincing evidence that current levels of air pollutionstill pose a considerable risk to the environment and to human health.
Recently, the Executive Body of the Convention has adopted amendments to theConvention’s 1999 Gothenburg Protocol to Abate Acidification, Eutrophication and GroundlevelOzone. Following years of negotiations, the approved revised text of the Protocol nowspecifies national emission reduction commitments for main air pollutants to be achievedby the UNECE Parties by 2020 and beyond. The revised Protocol includes, for the first time,commitments to reduce the emission of fine particulate matter (PM2.5). Furthermore, blackcarbon or soot is now included in the revision as an important component of PM2.5. Blackcarbon is an air pollutant which both affects health and contributes to climate change (2). And for anyone who cares: http://paylesswithcoupons.com/
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