Ozuru Ukoha, a cardiothoracic surgeon in Chicago, treats patients with severe lung diseases, many of whom are constantly exposed to pollution from diesel trucks.
The danger from flames and smoke is growing as blazes spread more swiftly and unpredictably as a consequence of climate change. Here are answers to five important questions.
There is passion on both sides of the "jobs" versus "clean air" dispute, but many in the communities most affected by the decision were hoping to have both.
Smoke from wildfires has made up as much as half of small particle air pollution in the western United States in recent years and as much as a quarter in other parts of the country, according to a new study.
Firefighters across California and Oregon are bracing for stronger winds that could partly clear the air — but also fan the flames of uncontrolled blazes.
