Abstract

A lot of emphasis has been put on the densification of urban form to reduce greenhouse gas emissions from transportation. However, many recent studies have found that central urban dwellers, even though their carbon footprints of daily transportation may be lower, might be responsible for higher total emissions than those that reside in suburban areas. Similarly, as with the urban form, higher environmental concern is often considered as an indicator of lower emissions, but several studies have found that pro-environmental attitude (PEA) does not always correlate with less energy intensive behavior. This study analyzes how urban zones, PEA, and several sociodemographic variables are associated with annual travel emissions and pro-environmental behaviors (PEB), using a dataset collected with a map-based online survey (softGIS) survey, contributed by 841 participants from the Helsinki Metropolitan Area (HMA), Finland. Although PEA can affect PEBs related to household energy consumption (β = 0.282, p < 0.001), clothing (β = 0.447, p < 0.001) and produce purchases (β = 0.449, p < 0.0001), their relationship with emissions from local (β = −0.067), national (β = −0.019) and international (β = −0.016) travel was not significant. Clusters of low emissions from local travel and high international travel emissions were found in pedestrian-oriented urban zones and residents of car-oriented zones were more likely to conserve household energy (β = 0.102, p < 0.05). These results might help broaden the current perspective of city planners, as well as identify opportunities for more effective mitigation policies.

Highlights

  • Anthropogenic activity contributes to global warming, changes in the water cycle, changes in climate extremes, rising of sea levels, and the melting of ice caps

  • Our results show that pro-environmental attitude (PEA) cluster in space and have, on average, higher values in the pedestrian-oriented zones than in the car-oriented zones

  • We found that PEA influenced environmentally significant behaviors regarding household energy, clothing, and produce, but it did not have an effect on the amount of greenhouse gas (GHG) emissions from local, national, or international travel

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Summary

Introduction

Anthropogenic activity contributes to global warming, changes in the water cycle, changes in climate extremes, rising of sea levels, and the melting of ice caps. It is extremely likely that humans have been the dominant cause since the 1950s by contributing to an increased concentration of greenhouse gas (GHG) emissions in the atmosphere, which is the main cause of climate forcing [1]. While around half of the world’s population resides in urban areas, cities have been said to be responsible for 71% to 76% of global energy-related CO2 emissions [4]. The mitigation of these GHG emissions has been a common focus of researchers and policy-makers.

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