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A multi-country meta-analysis on the role of behavioural change in reducing energy consumption and CO2 emissions in residential buildings

Energy demand from residential buildings was responsible for 28% of global energy-related CO2 emissions in 2019. Addressing these current trends is crucial to finding responsible, low-energy pathways for climate change mitigation. However, there is a lack of research assessing the impacts of interventions designed to reduce energy demand in residential buildings.

Neal Haddaway / Published on 2 August 2021

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Citation

Khanna, T. M., Baiocchi, G., Callaghan, M. et al. A multi-country meta-analysis on the role of behavioural change in reducing energy consumption and CO2 emissions in residential buildings. Nat Energy (2021). https://doi.org/10.1038/s41560-021-00866-x

To address the gap, this study assesses the effectiveness of such interventions. It examines various tools used globally, such as monetary incentives, measures that inform the population, feedback instruments and playful motivational actions. The researchers extracted 360 individual effect sizes from 122 studies representing trials in 25 countries.

The findings confirm that both monetary and non-monetary interventions reduce the energy consumption of households, but monetary incentives tend to show a more pronounced effect. Therefore, deploying the right combinations of interventions increases the overall effectiveness. These results could help inform policymaker efforts to reduce the risks involved in decarbonizing energy supplies and find socially acceptable ways to meet the Paris climate goals.

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Topics and subtopics
Climate : Climate policy / Energy : Household energy
Related centres
SEI Headquarters
Regions
Europe

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