Photos: Extreme Canadian wildfire smoke shrouds parts of U.S.
Unhealthy air quality grips the East Coast reaching as far south as North and South Carolina.
wildfires
Here's how Canadian wildfires are worsening air quality across the U.S.
The National Weather Service said air quality has "plummeted" across the Northeast. A disaster preparedness expert says people should take the warnings seriously.
Insurance firms need more climate change information. Scientists say they can help
Floods, wildfires, heat waves and hurricanes cause billions of dollars of property damage each year. Can federal climate scientists help the insurance industry keep up?
How melting Arctic ice could be fueling extreme wildfires in the Western U.S.
As Western wildfires get more destructive, scientists are finding a far-off connection to shrinking ice on the Arctic Ocean.
A record high number of dead trees are found as Oregon copes with an extreme drought
Wildfires and a Western megadrought led to a historic die-off of evergreen trees in the state — nearly twice as bad as the previous worst year. Some researchers have dubbed it "firmageddon."
Western wildfires are making far away storms more dangerous
Scientists are finding that Western wildfires can have far-reaching impacts. If they're burning while Central U.S. thunderstorms are forming, the rain and hail can be dramatically more destructive.
Brazil's election could determine the fate of the Amazon after record deforestation
Under President Jair Bolsonaro, who is running for reelection in Sunday's vote, forest clearing and wildfires have surged in the Amazon.
Four people have died in Northern California's huge wildfire
The death toll doubled when two additional bodies were found within the burn zone of the McKinney Fire, the state's largest blaze of the year.
Fireproofing your home isn't very expensive — but few states require it
Many Western states lack building codes for wildfire-resistant homes. But a new study finds the costs can be minimal, undercutting long-held building industry arguments against such codes.
Crews are making progress against a destructive forest fire near Yosemite
Crews battling the Oak Fire in California's Mariposa County got a break from increased humidity levels. The blaze, which forced the evacuations of thousands, was 26% contained, Cal Fire said.