Home fires, farm fumes are leading causes of air-pollution deaths
Surprising airborne suspects have researchers questioning if all pollution is equally deadly
![air pollution death map](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/09/091615_bm_pollution_main.jpg?fit=860%2C460&ssl=1)
FATAL FUMES The number of deaths caused by air pollution varies across the globe, researchers found using satellite data and a computer simulation. The color coding, indicating few deaths (gray) to many (red), shows the highest mortality in some parts of Asia.
J. Lelieveld et al/Nature 2015