New study finds: Heating with wood increases the risk of cancer - stricter rules are required. There are eleven million fireplaces and tiled stoves in Germany, and another million pellet heating systems.

The researchers spent a year analyzing the air quality in the village of Melpitz in Saxony. There is a “significant excess” of fine dust particles in the air in the center of the village compared to the surrounding area. The danger posed by PAHs is “about half as high as that caused by traffic accidents”