What cuts a household's emissions most
2.00tonnes of CO₂-equivalent per person per year
cut by living car-free, the median across studies reviewed by Ivanova et al., mostly in high-income settings.
TransportFoodHousingt CO₂e/person/yr
Data: Ivanova, Barrett, Wiedenhofer, Macura, Callaghan and Creutzig (University of Leeds, BOKU Vienna, Stockholm Environment Institute, MCC Berlin); published in Environmental Research Letters (IOP Publishing) (CC BY 4.0). Select any number for its source.