Thick wildfire smoke blanketed the Front Range across Denver Tuesday morning. Smoke will gradually clear Tuesday afternoon ...

Sensitive groups should avoid time outside Tuesday as smoke, moving into Colorado from wildfires burning in Wyoming and Idaho ...

The number of wildfires has increased across North America over the past several years. So FOX 13 News looked into a side ...

As wildfires rage across California, new research reveals an alarming impact on one of the region's most vital industries: ...

Wildfire-related air pollution causes higher mortality rates than non-wildfire PM 2.5 in Europe. Experts debate if prescribed ...

Long-term exposure to wildfire smoke may be depleting the energy reserves of California’s orchard trees — reducing their nut ...

Americans need to finally lose the mistaken idea, which shows up time and again in opinion polls, that fighting climate change somehow conflicts with helping the economy. They are one and the same.

Smoky skies continue to plague parts of Montana with poor air quality and the source of the smoke will not see any wet ...

Climate change is supercharging heat waves, hurricanes, and wildfires. Which hazard affects you the most depends on luck and geography. In the North American West and too often farther away, one of ...

UC Davis researchers have found that 2020’s megafires meant Central Valley nut orchards produced a smaller crop the following ...

British Columbia wildland firefighter Angus Duguid loves his job, but he doesn't love waking up with headaches or a clogged ...