Home fireplaces and wood stoves are quietly driving a large share of winter air pollution, even though only a small number of households rely on wood heat. Researchers found that wood smoke accounts for over one-fifth of Americans’ winter exposure to dangerous fine particles linked to heart diseas e and early death. Much of this pollution drifts into cities, where it disproportionately harms people of color. Reducing wood burning could deliver major public health benefits. ...read more read less