Wildfires churning out dense plumes of smoke as they scorch huge swaths of the U.S. West Coast have exposed millions of people to hazardous pollution levels, causing emergency room visits to spike and potentially thousands of deaths among the elderly and infirm.
In the wake of weeks of poor air quality, grape and cannabis growers are trying to assess the impacts - to product quality as well as to human health - of ash and smoke on their crops.
During the peak of the recent wildfires, cities like Portland, Oregon, and Seattle, Washington, suffered some of the dirtiest air in the world, making breathing the air like smoking a pack of cigarettes in a day.
During the coronavirus-induced lockdown, Delhi reclaimed its clear blue skyline for obvious reasons. But with most of the activities having resumed, the haze is slowly creeping in.
The smoke from the fires in the Brazilian Amazon and Pantanal regions today covers more than four thousand kilometers in Latin America and affects the neighboring countries of Peru, Bolivia, Paraguay, Argentina and Uruguay.
Bob Litterman: Wildfires have devastated my city. They'll only get worse unless we force businesses to change
Seattle's smoke shelters are among several emergency responses implemented in the last two weeks as wildfires rage across the western United States, burning about 5 million acres (2 million hectares) and spewing toxic plumes of ash and smoke.
The historic wildfires raging across the West Coast are pumping record amounts of pollution into the air - with swaths of smoke spreading at least 5,000 miles to Europe, data shows.
After seven dangerous and frightening months dealing with the highly infectious coronavirus, Oregon hospitals and healthcare workers are now facing a different hazard - the thick layer of choking smoke blanketing the state.
Researchers find people's exposure to PFAS and certain flame retardants could be significantly reduced by opting for healthier building materials and furniture.
Fish exposed to harmful contaminants can pass on health issues such as reproductive problems to future generations that had no direct exposure.
An expanding wood pellet market in the Southeast has fallen short of climate and job goals—instead bringing air pollution, noise and reduced biodiversity in majority Black communities.
Hunter-donated meat provides crucial protein to US food banks. But an EHN investigation found a lack of oversight that could result in potentially hundreds of thousands of lead-contaminated meals this year.