Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/33315
Title: The climate change mitigation impacts of active travel: Evidence from a longitudinal panel study in seven European cities
Authors: Brand, Christian
Götschi, Thomas
DONS, Evi 
Gerike, Regine
Anaya-Boig, Esther
Avila-Palencia, Ione
De Nazelle, Audrey
Gascon, Mireia
Gaupp-Berghausen, Mailin
Iacorossi, Francesco
Kahlmeier, Sonja
INT PANIS, Luc 
Racioppi, Francesca
Rojas-Rueda, David
Standaert, Arnout
Stigell, Erik
Sulikova, Simona
Wegener, Sandra
Nieuwenhuijsen, Mark
Issue Date: 2021
Publisher: Elsevier
Source: GLOBAL ENVIRONMENTAL CHANGE-HUMAN AND POLICY DIMENSIONS, 67 (Art N° 102224)
Abstract: Active travel (walking or cycling for transport) is considered the most sustainable and low carbon form of getting from A to B. Yet the net effects of changes in active travel on changes in mobility-related CO 2 emissions are complex and under-researched. Here we collected longitudinal data on daily travel behavior, journey purpose, as well as personal and geospatial characteristics in seven European cities and derived mobility-related lifecycle CO 2 emissions over time and space. Statistical modelling of longitudinal panel (n = 1849) data was performed to assess how changes in active travel, the 'main mode' of daily travel, and cycling frequency influenced changes in mobility-related lifecycle CO 2 emissions. We found that changes in active travel have significant lifecycle carbon emissions benefits, even in European urban contexts with already high walking and cycling shares. An increase in cycling or walking consistently and independently decreased mobility-related lifecycle CO 2 emissions, suggesting that active travel substituted for motorized travel-i.e. the increase was not just additional (induced) travel over and above motorized travel. To illustrate this, an average person cycling 1 trip/day more and driving 1 trip/day less for 200 days a year would decrease mobility-related lifecycle CO 2 emissions by about 0.5 tonnes over a year, representing a substantial share of average per capita CO 2 emissions from transport. The largest benefits from shifts from car to active travel were for business purposes, followed by social and recreational trips, and commuting to work or place of education. Changes to commuting emissions were more pronounced for those who were younger, lived closer to work and further to a public transport station. Even if not all car trips could be substituted by active travel the potential for decreasing emissions is considerable and significant. The study gives policy and practice the empirical evidence needed to assess climate change mitigation impacts of urban transport measures and interventions aimed at mode shift to more sustainable modes of transport. Investing in and promoting active travel whilst 'demoting' private car ownership and use should be a cornerstone of strategies to meet 'net zero' carbon targets, particularly in urban areas, while also reducing inequalities and improving public health and quality of urban life in a post-COVID-19 world.
Keywords: Climate change mitigation;Active travel;Walking;Cycling;Sustainable urban transport;Lifecycle CO2 emissions
Document URI: http://hdl.handle.net/1942/33315
ISSN: 0959-3780
e-ISSN: 1872-9495
DOI: 10.1016/j.gloenvcha.2021.102224
ISI #: WOS:000634865600012
Rights: 2021 World Health Organization; licensee Elsevier. This is an open access article under the CC BY IGO license
Category: A1
Type: Journal Contribution
Validations: ecoom 2022
Appears in Collections:Research publications

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