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Kallna: A study to explore how to encourage people to lower their CO2 emissions in a climate competition

by Sophie Gimströmer

Institution:	Chalmers University of Technology
Department:	Chalmers tekniska högskola / Institutionen för data och informationsteknik
Degree:
Year:	2022
Keywords:	Carbon calculator ; Sustainability ; Pro-environmental behavior ; Nudging ; Gamification ; User-Centered Design
Posted:	3/25/2025
Record ID:	2245009
Full text PDF:	http://hdl.handle.net/20.500.12380/305613

Abstract

As a result of climate change and increasing temperatures the future of humans and eco-systems is threatened. In order to reduce carbon emissions and limit impact there is a need for both policy-makers as well as individuals to take action. This has led to the introduction of eco-feedback in the form of carbon calculators to support individuals and groups in limiting their impact on the environment through reduced carbon emissions. Taking base in above mentioned matter as well as a literature study and formative research, this master thesis resulted in 12 guidelines for how to design to encourage people to lower their CO2 emissions in a climate competition. In addition to this, the prototype Kallna was created to suggest improvements on Svalna AB’s climate step competition.