It examined indoor air pollution from gas stoves, wood burners, and unflued gas heaters. Gas stoves emit pollutants such as nitrogen dioxide, which can irritate airways and worsen respiratory problems. While international studies have long highlighted these health risks, this is the first comprehensive attempt to estimate the impact on New Zealand households, reported Stuff. It questioned the reliability of the modelling and stressed that strict regulations ensure gas stove safety. As reported by Stuff, the EECA report adds to the growing global debate over the health effects of gas appliances.