While mired in pandemic restrictions, Aucklanders earned the title for the country’s lowest carbon footprint in 2021, Stuff reveals. City of Sails residents slashed their emissions by 11%​ between 2019 and 2021, as lockdowns slowed manufacturing and kept household pollution down. Meanwhile, Southland maintains its position as the highest-emitting region. The vast majority of this comes from methane-producing farming.