Anna Kristín Einarsdóttir

All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.

1. Introduction Deep and fast emissions cuts to our fossil-based energy system are necessary to mitigate the effects of the climate crisis. Current policies are far from sufficient to limit anthropogenic climate change to 2 °C, let alone 1.5 °C [1]. Emission reductions require decarbonizing the energy system with renewable energy, but also improving energy efficiency and reducing demand for energy services—energy sufficiency.