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      <marc:subfield code="a">Canadian environmental sustainability indicators : </marc:subfield>
      <marc:subfield code="b">international comparison : air pollutant emissions in selected countries.</marc:subfield>
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      <marc:subfield code="a">International comparison : </marc:subfield>
      <marc:subfield code="b">air pollutant emissions in selected countries</marc:subfield>
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    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Gatineau QC : </marc:subfield>
      <marc:subfield code="b">Environment and Climate Change Canada = Environnement et changement climatique Canada, </marc:subfield>
      <marc:subfield code="c">December 2021.</marc:subfield>
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      <marc:subfield code="c">©2021</marc:subfield>
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      <marc:subfield code="a">1 online resource (23 pages) : </marc:subfield>
      <marc:subfield code="b">colour illustrations</marc:subfield>
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      <marc:subfield code="a">text</marc:subfield>
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      <marc:subfield code="a">Issued also in French under title: Indicateurs canadiens de durabilité de l'environnement : comparaison à l'échelle internationale des émissions de polluants atmosphériques de pays sélectionnés.</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="a">"Project No.: EC21032."</marc:subfield>
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      <marc:subfield code="a">Issued also in HTML format.</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references.</marc:subfield>
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      <marc:subfield code="a">"Air pollution problems, such as smog and acid rain, result from the release of pollutants into the atmosphere. The majority of these pollutants are released through human activities, such as transportation, the burning of fuels for electricity and heating, and a variety of industrial activities. Air pollution can affect human health, the environment, buildings, structures and the economy. These indicators compare Canada's emissions of 5 key air pollutants with those of top emitting member countries of the Organisation for Economic Co-operation and Development (OECD)"--Page 5.</marc:subfield>
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      <marc:subfield code="a">Air</marc:subfield>
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      <marc:subfield code="a">Environmental indicators</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Environment and Climate Change Canada, </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
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      <marc:subfield code="t">Indicateurs canadiens de durabilité de l'environnement : </marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.904011</marc:subfield>
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      <marc:subfield code="t">Canadian environmental sustainability indicators : </marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.929454</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="t">Canadian environmental sustainability indicators : </marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.879794</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">970 KB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2022/eccc/en4-144/En4-144-58-2021-eng.pdf</marc:subfield>
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      <marc:subfield code="q">HTML</marc:subfield>
      <marc:subfield code="s">N/A</marc:subfield>
      <marc:subfield code="u">https://www.canada.ca/en/environment-climate-change/services/environmental-indicators/international-comparison-air-pollutant-emissions.html</marc:subfield>
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