Tiny particles, heavy metals, and toxic molecules could be lurking in your home this winter. One potential culprit? Your humidifier.
This story appears in the October 2018 issue of National Geographic magazine. Air pollution kills seven million people a year. Two of the chief contributors are lax vehicle emissions standards and ...
"While our findings are not causal, limiting direct inference, they support local and national initiatives aimed at further reducing air pollution ... by pollutants and geographic region.
"While our findings are not causal, limiting direct inference, they support local and national initiatives aimed at further reducing air pollution ... by pollutants and geographic region.