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Measuring greenhouse gas emissions from international air travel of a country's residents methodological development and application for Sweden
Chalmers Univ Technol, Dept Space Earth & Environm, SE-41296 Gothenburg, Sweden..
Chalmers Univ Technol, Dept Space Earth & Environm, SE-41296 Gothenburg, Sweden..
Chalmers Univ Technol, Dept Space Earth & Environm, SE-41296 Gothenburg, Sweden..
KTH, Skolan för arkitektur och samhällsbyggnad (ABE), Hållbar utveckling, miljövetenskap och teknik.ORCID-id: 0000-0001-8852-5458
2018 (engelsk)Inngår i: Environmental impact assessment review, ISSN 0195-9255, E-ISSN 1873-6432, Vol. 72, s. 137-144Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Global civil aviation accounts for 4-5% of total greenhouse gas emissions and these emissions are increasing. In the absence of sufficiently effective global climate instruments, national instruments might be considered as a complement, in which case some way of allocating emissions from international air travel between countries is needed. The purpose of this paper is to develop an accounting method that reflects one country's greenhouse gas emissions from international air travel, and to apply this methodology to Sweden. The new methodology consists of three parts: the number of international air trips made by the country's residents; the average distance of these trips; and the greenhouse gas emissions per passenger km. For Sweden, data for 1990 to 2014 show an increase in the number of trips by Sweden's population of 3.6% per year, resulting in, on average, one international journey (round trip 5800 km) per capita in 2014. The average distance to the final destination has increased only marginally due to simultaneous growth in both long and short trips. However, global average greenhouse gas emissions per passenger km have decreased by 1.9% per year between 1990 and 2014. Because the increase in the number of their trips has outweighed the decrease in emissions per km, the total emissions from Swedish residents' international air travel have increased by 61% between 1990 and 2014. The total emissions from Swedish residents' air travel, including both CO2 and non-CO2-effects, were 11 Mt CO2 equivalents in 2014, which is the same level as the emissions from Swedish car traffic. This type of reliable data is important when designing policies and for getting public support for new policies.

sted, utgiver, år, opplag, sider
ELSEVIER SCIENCE INC , 2018. Vol. 72, s. 137-144
Emneord [en]
Air travel, Aviation, Greenhouse gas emissions, Environmental reporting, Climate policy
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-234158DOI: 10.1016/j.eiar.2018.05.013ISI: 000441856900014Scopus ID: 2-s2.0-85048836794OAI: oai:DiVA.org:kth-234158DiVA, id: diva2:1257646
Forskningsfinansiär
VinnovaMistra - The Swedish Foundation for Strategic Environmental Research
Merknad

QC 20181022

Tilgjengelig fra: 2018-10-22 Laget: 2018-10-22 Sist oppdatert: 2024-03-15bibliografisk kontrollert

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Kamb, AnneliÅkerman, Jonas

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