Historic Grand Canyon Lodge destroyed by expanding wildfire
The Dragon Bravo Fire in Arizona has destroyed dozens of structures and a water treatment facility on the Grand Canyon's North Rim.
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The Dragon Bravo Fire in Arizona has destroyed dozens of structures and a water treatment facility on the Grand Canyon's North Rim.
An air quality map shows conditions improving in the U.S. on Friday as smoke from the Canadian wildfires subsides.
The blaze in northeastern British Columbia started Friday and almost doubled in size by the following day, reaching about 4,200 acres.
"An astonishing amount of smoke gets inside these facilities," said one researcher who spent the past three wildfire seasons collecting data from monitors installed in long-term care facilities.
Volatile organic compounds, or VOCs, in wildfire smoke can get into buildings and remain in the walls and floors for weeks. Some are hazardous to human health.
Smoke from wildfires is not the only reason for poor air quality this year. It turns out, those wildfires created another kind of pollution: Ozone.
The fires, which are still burning, have brought smoke and hazardous air quality to millions of Americans.
As more people across the country are seeing the impact of wildfires and smoke, scientists are turning to the promise of big data, technology and collaboration to keep big fires from spreading.
Smoke from the wildfires raging in Canada in 2023 have affected parts of the U.S. and even traveled across the Atlantic to Europe. Here is the expected forecast for the smoke.
Does a mask help with air pollution? Here's how to protect yourself from wildfire smoke as Canadian wildfires cause poor air quality in parts of the U.S.
Poor visibility is hampering flights across East Coast for second day due to smoke from more than 100 Canadian wildfires.
Air pollution takes an $800 billion annual toll on the U.S. economy. Wildfires — worsened by climate change — are making it worse.
As cities in the Northeast U.S. reach and even surpass "unhealthy" levels of air pollution, officials are urging people to avoid outside activities. Here's what to know about exercising when air quality is bad.
With potentially more smoky days on the horizon, CBS News Colorado spoke with a pulmonologist about ways you can stay safe this summer.
Air quality will suffer through Wednesday morning as more wildfire smoke from Canada is steered into Colorado. The air is particularly unhealthy for people with asthma.
Wildfires burning in Idaho and Montana are pushing a little smoke south into Colorado.
A wildland fire in Jefferson County prompted pre-evacuation notices to be sent to 60 residences in the Mount Lindo and tip of Willow Springs.
Coloradans in the high country and along the Front Range woke up to smoky and hazy skies on Monday.
A wildfire in the San Luis Valley in southern Colorado has burned nearly 200 acres and officials closed Highway 17 as a result.
Residents in Teller County who were evacuated during the High Park Fire can finally return home.
In a pre-emptive strike intended to eliminate trees and grasses in a controlled fashion, fire crews Saturday ignited "burnouts" near homes now threatened by the High Park Fire west of Cripple Creek.
It's now official that the NCAR Fire last month was human-caused.
The grass fire burned just under 10 acres south of the Twin Lakes neighborhood in Gunbarrel.
Following historic wildfires in Colorado, many communities and their fire departments are on heightened awareness when it comes to dry and windy days.
A new fire south of the NCAR Fire burn area in Boulder is forcing trail closures.
The sheriff says the note was sent to a local Arizona news station, which agreed not to report on it, following the disappearance of "Today" show co-host Savannah Guthrie's mother, Nancy Guthrie.
Moms and dads are always looking for different ways to keep their kids occupied. Currently, many of us are also wanting to save a little cash. There are plenty of ways to do both.
Police in the Denver metro area made an alarming discovery during the recent arrest of a suspected drunk driver when they found three children in the trunk of the car.
An autopsy report on the driver of a gasoline tanker truck that smashed into a light rail abutment along Yale Avenue in Denver on Thanksgiving shows the driver had alcohol and methamphetamine in his system.
Love is in the air this time of year for Loveland's Valentine Remailing Program.
Police in the Denver metro area made an alarming discovery during the recent arrest of a suspected drunk driver when they found three children in the trunk of the car.
An autopsy report on the driver of a gasoline tanker truck that smashed into a light rail abutment along Yale Avenue in Denver on Thanksgiving shows the driver had alcohol and methamphetamine in his system.
Love is in the air this time of year for Loveland's Valentine Remailing Program.
A student at Fort Lewis College in southern Colorado allegedly tried to hire someone for $500 to kill his teammate over hair in the bathroom, according to investigators.
A phishing scam has been targeting Denver students with fake job opportunities, and Denver Public Schools is warning families to be on the lookout.
Moms and dads are always looking for different ways to keep their kids occupied. Currently, many of us are also wanting to save a little cash. There are plenty of ways to do both.
Mike Fifhause from Scouting Colorado of Scouting America spoke about the opportunities the organization provides to children in Colorado.
According to History Colorado's website, the effort is being done to identify "harms caused by practices, systems, and policies of the State of Colorado."
The team's coaches, players and general manager spoke about their excitement for the start of the season in less than 40 days.
Watch Lauren Whitney's forecast
Lindsey Vonn, 41, said she ruptured her left anterior cruciate ligament, or ACL, but that she was still planning to compete.
It was an emotional morning at Edge Ice Arena in Littleton, Colorado, as the Santa Clarita Lady Flyers took the ice for the first game of a weekend tournament after a crash involving their van and a snowplow on Interstate 70.
Star center Nikola Jokic is expected to return to the Denver Nuggets lineup Friday.
Skiing great Lindsey Vonn crashed in her final downhill before the Milan Cortina Winter Olympics.
Denver Nuggets forward Aaron Gordon is expected to be out long-erm again after reinjuring his hamstring.
The sheriff says the note was sent to a local Arizona news station, which agreed not to report on it, following the disappearance of "Today" show co-host Savannah Guthrie's mother, Nancy Guthrie.
U.S. Central Command said the drone "aggressively" approached the USS Abraham Lincoln as it was crossing through the Arabian Sea.
Hillary Clinton will appear for a deposition on Feb. 26, while former President Bill Clinton will appear on Feb. 27, according to the House Oversight Committee.
PepsiCo said the price cuts are aimed at making its products more affordable as consumers struggle with affordability.
Lindsey Vonn, 41, said she ruptured her left anterior cruciate ligament, or ACL, but that she was still planning to compete.
U.S. Central Command said the drone "aggressively" approached the USS Abraham Lincoln as it was crossing through the Arabian Sea.
Hillary Clinton will appear for a deposition on Feb. 26, while former President Bill Clinton will appear on Feb. 27, according to the House Oversight Committee.
Lisa Calderón, who has worked in different capacities at several nonprofits and in academia, is hoping to unseat Denver Mayor Mike Johnston after his first term.
President Trump says his administration is seeking $1 billion in damages from Harvard University after a published report said the school had won some concessions in ongoing settlement negotiations with the government.
The House on Tuesday voted 217 to 214 to fund major parts of the government and end the partial shutdown. Follow live updates.
An 11-year-old girl in Fort Collins successfully became the 37th child in U.S. history to undergo a liver and heart transplant at one time. Gracie Greenlaw is now home and thriving after receiving the organ donations.
For the past eight years, Louis "Lou" Cicio has celebrated Jan. 30 as his "birthday." Not because it's the day he was born, but because it's the day he nearly died — and survived.
U.S. life expectancy rose to 79 years in 2024 - the highest mark in American history. But the U.S. still ranks below dozens of other countries.
The recall affects several batches of the 5.5-ounce Gerber Arrowroot Biscuits, the FDA said.
The AAP is recommending immunization against 18 diseases. Earlier this month, the CDC reduced its recommendations for childhood vaccines to 11 diseases.
PepsiCo said the price cuts are aimed at making its products more affordable as consumers struggle with affordability.
For the first time, the top 10 cars on Consumer Reports' annual list of best new vehicles also include electric or hybrid models.
Many Super Bowl 60 ads are already online, along with teasers for commercials that will be unveiled during the NFL championship on Feb. 8.
Starting early Wednesday, United customers won't be able to book flights and access other services as the airline upgrades its reservation system.
University of Colorado Boulder took a chance to catch the Sundance Film Festival's final year in Utah, planning future opportunities for its students.
An Arapahoe County judge ordered Aurora resident Daniel Alexander Ashby to stand trial for felony assault, after witnesses say Ashby body-slammed defense lawyer H. Michael Steinberg in a courthouse hallway last December.
Newly released documents from the Lakeside Police Department say former Sgt. Howard Prince admitted to cheating on his time records, but also said that in an interview, the sergeant said he didn't know why he falsified his time sheets.
Arvada police are offering a behind-the-scenes look at how they tracked down a suspected mail thief in the Denver metro area, after neighbors spotted the same suspicious vehicle on their security cameras.
Denver prosecutors have filed 26 felony arson charges against the Aurora man suspected of setting the 5-alarm fire earlier this month that caused millions of dollars in damage.
Although Sinclair Oil learned on January 8 that the gasoline it distributed was contaminated, it admits it failed to notify Colorado's Division of Oil and Public Safety.