From Georgia all the way north along the East Coast, poor air quality this summer has mostly been a result of wildfires many miles away in Canada, where more than 600 fires are still burning.

One of the latest studies found, once again, that climate change is exacerbating the harmful effects of wildfire, which also increases health burdens. The study estimated that during major wildfire events, the United States and Canada could incur additional health-care costs that range from $1.6 million to more than $6 million.

Nikki Vars McCullough, vice president of 3M's Personal Safety Division and an expert in respiratory protection, urged people to take the hazy skies seriously because wildfire smoke can be extremely dangerous.

"Wildfire smoke is made up of very, very small particles, and they are contributing to poor air quality across the United States this year," she said. "Other particles that are in the air include dust and dirt from dry fields and roads, vehicle emissions from cars and trucks."

According to the report, published in the journal Nature, fine particles from wildfire smoke are disproportionately dangerous compared with other sources and have been linked to higher death rates from heart and respiratory causes.

McCullough suggested that on days with poor air quality, people should spend as much time indoors as possible. When going outside is unavoidable, she said, they should consider wearing an N-95 respirator mask. She also emphasized the importance of paying attention to the air quality inside your home on bad air quality days.

"Avoid certain types of cooking, or vacuuming or burning candles," she said. "And then you can work to filter the air inside of your home. So, if you have a home HVAC system, you can get a high-efficiency filter and you can run your HVAC system fan continuously."

The report predicted that densely populated areas will experience the greatest changes in health-care cost due to wildfires and the effects of climate change.


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Under the federal Clean Air Act, Kentucky is required to keep haze air pollution under control in Mammoth Cave National Park.

Critics said the state's current plan falls short. Coal-fired power plants are the driving cause of air pollution impairing visibility in the Commonwealth, according to the National Parks Conservation Association.

Ashley Wilmes, executive director of the Kentucky Resources Council, said the state's current Draft Regional Haze State Implementation Plan only considers two facilities as significant pollution emitters, despite evidence there are more.

"There has to be a detailed analysis of additional major polluters in Kentucky that are contributing to this haze," Wilmes asserted. "They did not do this analysis for other major coal plants, including Ghent and Mill Creek, Trimble Station and others."

The Kentucky Energy and Environment Cabinet hears virtual public comments on the plan tomorrow at 10 a.m. ET.

Ulla Reeves, clean air program director for the National Parks Conservation Association, said several major polluters in the region are contributing to poor air quality.

"We see in Kentucky that Mammoth Cave is actually one of the most polluted national parks in the entire country," Reeves pointed out. "It is surrounded by polluting facilities."

Bryon Gary, program attorney for the council, said advocates are asking the state to include additional pollutants and facilities, and address environmental justice impacts to surrounding communities. He added residents' input will be considered by the Environmental Protection Agency.

"The public will have the opportunity to give those comments," Gary noted. "Then at some later point, the Energy Environment Cabinet will develop a written response to comments that will be submitted to EPA, along with their final state implementation plan."

Exposure to the air pollution particles triggering haze can cause breathing problems, lung cancer, heart attacks and low birth weight in newborn babies, according to the Centers for Disease Control and Prevention.

California air-quality regulators today are expected to adopt new fees for big polluters and rules to encourage large buildings to switch equipment from gas to zero-emission electric models.

Fifteen clean-air advocacy groups are rallying in front of the Southern California Air Quality Management Board in Diamond Bar today, urging passage of the new rules.

Kimberly Orbe, senior conservation program manager for the Sierra Club's Angeles chapter, said the transition would cover gas-fired water heaters, boilers and process heaters.

"Fossil fuel appliances are responsible for 10% of the emissions from stationary sources in our region," she said, "so that's really huge."

Opponents of the change include SoCalGas and industry groups representing dry cleaners and restauranteurs.

When burned, natural gas emits harmful smog-forming air pollution and greenhouse gases that fuel climate change. The So Cal Air Quality Management District's new pollution fee program would require large industrial polluters to pay to support regional clean-air efforts. The Sierra Club estimates this could raise about $25 million a year.

According to the American Lung Association, the Los Angeles/Long Beach area has the most high-ozone days of any metropolitan area in the country. Orbe said that's why advocacy groups have been pressing for stronger air-quality standards for years.

"Our region is burdened by an overwhelming amount of pollution - from oil drilling, from refineries, from the ports, from the warehouses, freeways," she said. "So, we want to make sure that we're passing strong rules to ensure that we continue to clean up our air, year after year."

The board is also expected to set a hearing date to consider new rules requiring zero-emissions technologies in the rail yards to combat diesel pollution from trains.

Leaders in Michigan are marking the historic new clean car standards, finalized by the Environmental Protection Agency.

The final rule, Multi-Pollutant Emissions Standards for Model Years 2027 and Later Light-Duty and Medium-Duty Vehicles, was announced in March.

Michigan leaders are celebrating the move as a positive step in the fight against climate change.

State Rep. Jasper Martus, D-Flushing, said many people think of climate change and creating good jobs as two separate issues, but he said he believes the two go hand-in-hand.

"When we pursue policies that combat climate change, such as investing in electric vehicles, having higher standards for the vehicles that are produced here in Michigan and the United States," said Martus, "we can do it in such a way that creates good paying jobs."

The new standards will phase in over model years 2027 through 2032.

Martus said in addition to creating new jobs, the transition to electric vehicles will also decrease pain at the pump resulting from sky high gas prices.

He added he believes it's time for companies that make EVs to make their pitch to the public.

"We're not to the point now where everything is going to be electric vehicles overnight," said Martus. "We're not even at the point where everything could be a hybrid overnight. But we're beginning that process of these companies making electric vehicles need to make the pitch."

Martus added that as EV makers pitch their product, consumers will eventually see the prices of the vehicles come down - making them just as competitive, if not more so, than traditional vehicles.




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