Friday, December 13, 2013

Climate change to intensify U.S. wildfires will increase, and the smoky air will cause respiratory

(Photo: LM Otero, AP) STORY HIGHLIGHTS wildfire r ... "/> A wildfire smoke becoming a serious health risk - USA TODAY | Afrikaans
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A wildfire threatens a house near Possum Kingdom, Texas, on 19 April 2011. class = "credit"> (Photo: LM Otero, AP) STORY HIGHLIGHTS wildfire smoke causes respiratory problems in the burned out areas such smoke can cause asthma enema attacks and aggravate heart and lung diseases Climate change's rising temperatures expected wildfires
Climate change to intensify U.S. wildfires will increase, and the smoky air will cause respiratory problems in areas far beyond the fire, reported an environmental enema group said yesterday listed how each state fared in 2011
. Two-thirds of Americans, or nearly 212000000, enema in countries characterized by wildfire smoke two years ago, according to analysis by the Natural Resources Defense Council. There were nearly 50 times more square kilometers that have medium to high-density smoke at least 12 days when burned by fire.
"It affects a much larger area of the United States than people realize," says author Kim Knowlton, a senior NRDC scientist and Columbia University health professor, adding the smoke can drift hundreds of miles. She said the smoke contains fine particulate enema air pollution and can not only cause asthma attacks and pneumonia, but also worsen chronic heart and lung diseases.
Two-thirds of Americans lived in areas that had medium to high intensity smoke from fires for at least a week in 2011, as indicated by the medium enema and dark gray areas, according to an analysis released October 24, 2013 by the Natural Resources Defense Council, an environmental group (Photo: Natural Resources Defense Council).
Texas is the worst hit in 2011, when medium to high-density smoke lingered at least a week in the areas that are home to 25 million people, according to the analysis based on smoking data from federal weather satellites. Knowlton says most of the smoke from wildfires, but the data does not tease out which was intentional for forest management.
Illinois. recorded no fires within its borders, ranked second with nearly 12 million people affected by smoke that wander in from elsewhere. The other eight countries with most residents exposed to smoke the air, in descending order. Florida, Missouri, Georgia, Louisiana, Mississippi, Alabama, Oklahoma and Kansas
Nearly two dozen or 22 states have no fires within enema their borders in 2011, but eight of them have at least one week of medium to high intensity smoky air: Illinois, Missouri, Iowa, Kansas, Nebraska, Iowa, Wisconsin and Ohio
. Only 18 states and the District of Columbia enema have no residents exposed to at least a week of smoking in that year, but five of them - Alaska, California, Hawaii, Nevada and Utah - the area burned by wildfires
. The problem will only get worse, enema Knowlton said, referring to the scientific research that shows man-made climate change causes higher temperatures and, in some areas, more drought.
"Our landscapes are becoming more of a powder keg," she says. During 2011, the most recent year for which NRDC could get extensive government data, heat waves and drought, many areas vulnerable to wildfire. That year, 8.7 million acres burned nationwide - the fourth highest since 1985, according to the National Interagency Fire Center, a federal agency. Even more acres, 9.3 million, burned last year.
"Heat waves are very likely to become more frequent and longer occurs," said Thomas Stocker, co-chair of the Intergovernmental Panel on Climate Change's Working Group 1, said last month in announcing the findings of the Fifth Assessment enema Report. He said the panel appointed by the United Nations, enema in general, expect to see
"Currently wet regions more rainfall and arid regions receive less." enema The country's enema western forests will be "more

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