Research Indicates Domestic Wood Burning Produces More Pollution Than Road Traffic

New research indicates that burning wood in homes generates a greater amount of pollution compared to road traffic. Data from the University of Birmingham reveals that domestic fires account for 25% of hazardous airborne particles, specifically PM2.5s, whereas traffic contributes 22%. The popularity of wood-burning stoves has grown in the UK, with approximately 1.9 million households now owning one, as reported by the Stove Industry Alliance. A Birmingham-based campaigner expressed concern regarding the impact of these stoves on children and individuals with existing health conditions. Kirsten de Vos, representing the Mums for Lungs group, stated, “It’s particularly worrying that those with very little agency, their health is being damaged when they’re very young, even before they’re born.” PM2.5s, which are minute particulate matter, have been associated with health problems including heart disease and strokes. Researchers examined PM2.5 samples gathered during 2021 and 2022 from two locations within Birmingham. Their analysis showed that concentrations from wood burning were seven times greater than levels recorded between 2008 and 2010. Furthermore, they noted that the effect of wood burning was especially significant in winter, accounting for 50% of PM2.5 concentrations, a seasonal increase attributed to increased home heating during colder periods. Prof Zongbo Shi, the study’s lead investigator, acknowledged his surprise at the results. He commented that the research “demonstrates the huge impact” of burning wood in residential settings. Prof Shi further expressed his hope that the findings would prompt individuals to reflect on “if there is a real need to use their stoves.” University researchers estimated that long-term exposure to PM2.5s contributes to as many as 2,300 premature deaths annually in the West Midlands. The advocacy organization Mums for Lungs has urged the gradual elimination of wood burners where alternative heating options are available. Ms de Vos, a member of the group, stated that the public remains uninformed about the detrimental health impacts. The mother, residing in Moseley, Birmingham, remarked, “It’s like breathing fumes from a diesel truck, it’s as bad as that.” The government has dismissed the possibility of prohibiting wood burning. Last year, as part of its 25-year environmental strategy, ministers introduced regulations to reduce the permissible PM2.5 emissions from wood burners. These regulations apply to residences located in smoke control areas, which encompass the majority of England’s urban centers. Individuals found violating these new provisions may face an immediate fine; however, Mums for Lungs asserted that local authority enforcement is largely absent. ACR Stoves, located in Tyseley, Birmingham, manufactures 10,000 wood burners annually for the UK market. Jason Searle, the managing director, stated that contemporary eco stoves are more efficient, “produced 90% fewer emissions than a traditional open fire and 80% fewer emissions than an old stove.” Nevertheless, he emphasized that the stove’s performance is “only as good as the fuel you put on it,” requiring wood with a moisture content below 20%. He also mentioned the necessity of annual servicing and chimney cleaning. Despite proper maintenance, Mr Searle conceded that even eco stoves release pollutants. Prof Shi advised that, given his research outcomes, individuals ought to reconsider installing wood burners. His subsequent research initiative will investigate the indoor pollution generated by these appliances. His team has deployed sensors in twelve city properties equipped with stoves and plans to commence data analysis within the coming year.