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https://www.readbyqxmd.com/read/29767537/response-to-cookstove-trials-and-tribulations-what-is-needed-to-decrease-the-burden-of-household-air-pollution
#1
Cindy M Gray, Emily Colarte, Clara Young
No abstract text is available yet for this article.
May 16, 2018: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29767532/reply-response-to-cookstove-trials-and-tribulations-what-is-needed-to-decrease-the-burden-of-household-air-pollution
#2
Kevin Mortimer, John R Balmes
No abstract text is available yet for this article.
May 16, 2018: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29731584/fuel-efficiency-and-air-pollutant-concentrations-of-wood-burning-improved-cookstoves-in-malawi-implications-for-scaling-up-cookstove-programs
#3
Pamela Jagger, Joseph Pedit, Ashley Bittner, Laura Hamrick, Tione Phwandapwhanda, Charles Jumbe
National governments and other key stakeholders in developing countries are grappling with how to reduce household air pollution (HAP) resulting from cooking with solid fuels using traditional cooking technologies. Recent studies have shown that improved cookstoves may offer reductions in fuel use and harmful emissions of carbon monoxide (CO) and fine particulate matter (PM2.5 ), yet there is little quantitative evidence collected in a "real-world" setting showing how improved stoves perform directly compared to traditional cooking technologies...
December 2017: Energy for Sustainable Development: the Journal of the International Energy Initiative
https://www.readbyqxmd.com/read/29729570/light-absorption-of-organic-carbon-emitted-from-burning-wood-charcoal-and-kerosene-in-household-cookstoves
#4
Mingjie Xie, Guofeng Shen, Amara L Holder, Michael D Hays, James J Jetter
Household cookstove emissions are an important source of carbonaceous aerosols globally. The light-absorbing organic carbon (OC), also termed brown carbon (BrC), from cookstove emissions can impact the Earth's radiative balance, but is rarely investigated. In this work, PM2.5 filter samples were collected during combustion experiments with red oak wood, charcoal, and kerosene in a variety of cookstoves mainly at two water boiling test phases (cold start CS, hot start HS). Samples were extracted in methanol and extracts were examined using spectrophotometry...
May 2, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29677666/use-of-cleaner-burning-biomass-stoves-and-airway-macrophage-black-carbon-in-malawian-women
#5
Abigail L Whitehouse, Lisa Miyashita, Norrice M Liu, Maia Lesosky, Graham Flitz, Chifundo Ndamala, John R Balmes, Stephen B Gordon, Kevin Mortimer, Jonathan Grigg
Exposure to particulate matter (PM) from burning of biomass for cooking is associated with adverse health effects. It is unknown whether or not cleaner burning biomass-fuelled cookstoves reduce the amount of PM inhaled by women compared with traditional open fires. We sought to assess whether airway macrophage black carbon (AMBC) - a marker of inhaled dose of carbonaceous PM from biomass and fossil fuel combustion - is lower in Malawian women using a cleaner burning biomass-fuelled cookstove compared with those using open fires for cooking...
April 17, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29649227/from-kitchen-to-classroom-assessing-the-impact-of-cleaner-burning-biomass-fuelled-cookstoves-on-primary-school-attendance-in-karonga-district-northern-malawi
#6
Christine A Kelly, Amelia C Crampin, Kevin Mortimer, Albert Dube, Jullita Malava, Deborah Johnston, Elaine Unterhalter, Judith R Glynn
Household air pollution from burning solid fuels is responsible for an estimated 2.9 million premature deaths worldwide each year and 4.5% of global disability-adjusted life years, while cooking and fuel collection pose a considerable time burden, particularly for women and children. Cleaner burning biomass-fuelled cookstoves have the potential to lower exposure to household air pollution as well as reduce fuelwood demand by increasing the combustion efficiency of cooking fires, which may in turn yield ancillary benefits in other domains...
2018: PloS One
https://www.readbyqxmd.com/read/29614179/association-of-solid-fuel-use-with-risk-of-cardiovascular-and-all-cause-mortality-in-rural-china
#7
Kuai Yu, Gaokun Qiu, Ka-Hung Chan, Kin-Bong Hubert Lam, Om P Kurmi, Derrick A Bennett, Canqing Yu, An Pan, Jun Lv, Yu Guo, Zheng Bian, Ling Yang, Yiping Chen, Frank B Hu, Zhengming Chen, Liming Li, Tangchun Wu
Importance: When combusted indoors, solid fuels generate a large amount of pollutants such as fine particulate matter. Objective: To assess the associations of solid fuel use for cooking and heating with cardiovascular and all-cause mortality. Design, Setting, and Participants: This nationwide prospective cohort study recruited participants from 5 rural areas across China between June 2004 and July 2008; mortality follow-up was until January 1, 2014...
April 3, 2018: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/29575293/usage-and-impacts-of-the-envirofit-hm-5000-cookstove
#8
Charity Garland, Carlos F Gould, David Pennise
Burning solid fuels to fulfill daily household energy needs results in chronic exposure to household air pollution (HAP), which is among the world's greatest health risks. This paper presents the results of a cross-sectional study of cookstove usage, fuel consumption, and indoor PM2.5 concentrations in rural and urban Honduran homes cooking with the Envirofit HM-5000 metal plancha stove (n=32) as compared to control households using baseline cooking technologies (n=33). Temperature-based stove usage measurements showed high HM-5000 acceptance, with significant displacement of the traditional cookstoves at both the urban (99%, p<0...
March 25, 2018: Indoor Air
https://www.readbyqxmd.com/read/29554422/optimization-of-secondary-air-injection-in-a-wood-burning-cookstove-an-experimental-study
#9
Julien Caubel, Vi H Rapp, Sharon S Chen, Ashok J Gadgil
Nearly 40% of the world's population regularly cooks on inefficient biomass stoves that emit harmful airborne pollutants, such as particulate matter (PM). Secondary air injection can significantly reduce PM mass emissions to mitigate the health and climate impacts associated with biomass cookstoves. However, secondary air injection can also increase the number of ultrafine particles emitted, which may be more harmful to health. This research investigates the effect of secondary air injection on the mass and size distribution of PM emitted during solid biomass combustion...
March 19, 2018: Environmental Science & Technology
https://www.readbyqxmd.com/read/29466681/cookstove-trials-and-tribulations-what-is-needed-to-decrease-the-burden-of-household-air-pollution
#10
Kevin Mortimer, John R Balmes
No abstract text is available yet for this article.
May 2018: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29466464/factors-that-enable-or-limit-the-sustained-use-of-improved-firewood-cookstoves-qualitative-findings-eight-years-after-an-intervention-in-rural-mexico
#11
Minerva Catalán-Vázquez, Rosario Fernández-Plata, David Martínez-Briseño, Blanca Pelcastre-Villafuerte, Horacio Riojas-Rodríguez, Laura Suárez-González, Rogelio Pérez-Padilla, Astrid Schilmann
OBJECTIVE: The aim of this study was to analyze the factors enabling/limiting the use of improved cookstoves among rural fuel wood users from one mestizo and two indigenous communities eight years after an intervention in the state of Michoacan, in Mexico. METHODS: A qualitative study with an ethnographic perspective was conducted in 2013/2014 based on 62 interviews with women who had participated in an improved firewood cookstove program in 2005. Thematic qualitative content analysis was performed...
2018: PloS One
https://www.readbyqxmd.com/read/29414372/indoor-pm-2-5-in-an-urban-zone-with-heavy-wood-smoke-pollution-the-case-of-temuco-chile
#12
Héctor Jorquera, Francisco Barraza, Johanna Heyer, Gonzalo Valdivia, Luis N Schiappacasse, Lupita D Montoya
Temuco is a mid-size city representative of severe wood smoke pollution in southern Chile; however, little is known about the indoor air quality in this region. A field measurement campaign at 63 households in the Temuco urban area was conducted in winter 2014 and is reported here. In this study, indoor and outdoor (24-hr) PM2.5 and its elemental composition were measured and compared. Infiltration parameters and outdoor/indoor contributions to indoor PM2.5 were also determined. A statistical evaluation of how various air quality interventions and household features influence indoor PM2...
May 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29380623/improved-cookstoves-and-their-effect-on-carbon-monoxide-levels-in-san-lucas-tolim%C3%A3-n-guatemala
#13
Katherine Lucarelli, Kevin Wyne, James E Svenson
INTRODUCTION: Installation of ventilated cookstoves has been shown to improve 24-h carbon monoxide (CO) and particulate exposure in the Guatemalan highlands. However, a survey of villagers around San Lucas Tolimán found much higher than expected CO levels. Our purpose is to evaluate the effects of improved cookstoves on CO levels in these villagers. METHODS: This is cross sectional observational study in six rural communities. Blood carboxyhemoglobin (SpCO) was measured at three different times during the day...
February 2018: International Journal of Environmental Health Research
https://www.readbyqxmd.com/read/29373863/mutagenicity-and-lung-toxicity-of-smoldering-vs-flaming-emissions-from-various-biomass-fuels-implications-for-health-effects-from-wildland-fires
#14
Yong Ho Kim, Sarah H Warren, Q Todd Krantz, Charly King, Richard Jaskot, William T Preston, Barbara J George, Michael D Hays, Matthew S Landis, Mark Higuchi, David M DeMarini, M Ian Gilmour
BACKGROUND: The increasing size and frequency of wildland fires are leading to greater potential for cardiopulmonary disease and cancer in exposed populations; however, little is known about how the types of fuel and combustion phases affect these adverse outcomes. OBJECTIVES: We evaluated the mutagenicity and lung toxicity of particulate matter (PM) from flaming vs. smoldering phases of five biomass fuels, and compared results by equal mass or emission factors (EFs) derived from amount of fuel consumed...
January 24, 2018: Environmental Health Perspectives
https://www.readbyqxmd.com/read/29301918/ers-ats-workshop-report-on-respiratory-health-effects-of-household-air-pollution
#15
Akshay Sood, Nour A Assad, Peter J Barnes, Andrew Churg, Stephen B Gordon, Kevin S Harrod, Hammad Irshad, Om P Kurmi, William J Martin, Paula Meek, Kevin Mortimer, Curtis W Noonan, Rogelio Perez-Padilla, Kirk R Smith, Yohannes Tesfaigzi, Tony Ward, John Balmes
Exposure to household air pollution (HAP) from solid fuel combustion affects almost half of the world population. Adverse respiratory outcomes such as respiratory infections, impaired lung growth and chronic obstructive pulmonary disease have been linked to HAP exposure. Solid fuel smoke is a heterogeneous mixture of various gases and particulates. Cell culture and animal studies with controlled exposure conditions and genetic homogeneity provide important insights into HAP mechanisms. Impaired bacterial phagocytosis in exposed human alveolar macrophages possibly mediates several HAP-related health effects...
January 2018: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/29244944/evaluating-the-performance-of-household-liquefied-petroleum-gas-cookstoves
#16
Guofeng Shen, Michael D Hays, Kirk R Smith, Craig Williams, Jerroll W Faircloth, James J Jetter
Liquefied petroleum gas (LPG) cookstoves are considered to be an important solution for mitigating household air pollution; however, their performance has rarely been evaluated. To fill the data and knowledge gaps in this important area, 89 laboratory tests were conducted to quantify efficiencies and pollutant emissions from five commercially available household LPG stoves under different burning conditions. The mean thermal efficiency (±standard deviation) for the tested LPG cookstoves was 51 ± 6%, meeting guidelines for the highest tier level (Tier 4) under the International Organization for Standardization, International Workshop Agreement 11...
January 16, 2018: Environmental Science & Technology
https://www.readbyqxmd.com/read/29182949/modeling-the-potential-health-benefits-of-lower-household-air-pollution-after-a-hypothetical-liquified-petroleum-gas-lpg-cookstove-intervention
#17
Kyle Steenland, Ajay Pillarisetti, Miles Kirby, Jennifer Peel, Maggie Clark, Will Checkley, Howard H Chang, Thomas Clasen
INTRODUCTION: Improved biomass and advanced fuel cookstoves can lower household air pollution (HAP), but levels of fine particulate matter (PM2.5 ) often remain above the World Health Organization (WHO) recommended interim target of 35μg/m3 . METHODS: Based on existing literature, we first estimate a range of likely levels of personal PM2.5 before and after a liquefied petroleum gas (LPG) intervention. Using simulations reflecting uncertainty in both the exposure estimates and exposure-response coefficients, we estimate corresponding expected health benefits for systolic blood pressure (SBP) in adults, birthweight, and pneumonia incidence among children <2years old...
February 2018: Environment International
https://www.readbyqxmd.com/read/29149745/household-air-pollution-and-chronic-hypoxia-in-the-placenta-of-pregnant-nigerian-women-a-randomized-controlled-ethanol-cookstove-intervention
#18
Anindita Dutta, Galina Khramtsova, Katherine Brito, Donee Alexander, Ariel Mueller, Sireesha Chinthala, Damilola Adu, Tope Ibigbami, John Olamijulo, Abayomi Odetunde, Kehinde Adigun, Liese Pruitt, Ian Hurley, Olufunmilayo Olopade, Oladosu Ojengbede, Sarosh Rana, Christopher O Olopade
BACKGROUND: Household air pollution (HAP) is associated with adverse pregnancy outcomes. OBJECTIVES: Investigate impact of in-utero HAP exposure on placental development and chronic hypoxia. METHODS: Markers of chronic placental hypoxia [Hofbauer cells (HBC), syncytial knots (SK), chorionic vascular density (cVD) and hypoxia-inducible factor (HIF)] were stained by hematoxylin-eosin and/or immunohistochemically in placenta samples collected from firewood-/kerosene-users (A,n=16), and ethanol-users (B,n=20) that participated in a randomized controlled intervention trial in Ibadan, Nigeria...
April 1, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29121604/occupational-exposure-to-indoor-air-pollution-among-bakery-workers-in-ethiopia-a-comparison-of-electric-and-biomass-cookstoves
#19
George S Downward, Hugo P van der Zwaag, Leon Simons, Kees Meliefste, Yifokire Tefera, J Rosales Carreon, Roel Vermeulen, Lidwien A M Smit
The indoor air pollution (IAP) produced by the domestic combustion of solid fuels is responsible for up to 4 million deaths annually, especially among low and middle income countries. Occupational exposure within the food preparation industries of these nations remains underexplored. We investigated occupational exposure to the IAP produced during the commercial production of injera, a staple of the Ethiopian diet, from bakeries in Addis Ababa, Ethiopia. Measurements of PM2.5 , black carbon (via the proxy measure PM2...
February 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29107891/elevated-blood-pressure-and-household-solid-fuel-use-in-premenopausal-women-analysis-of-12-demographic-and-health-surveys-dhs-from-10-countries
#20
Raphael E Arku, Majid Ezzati, Jill Baumgartner, Günther Fink, Bin Zhou, Perry Hystad, Michael Brauer
BACKGROUND: Approximately three billion people are exposed to household air pollution (HAP) from solid fuel cookstoves. Studies from single settings have linked HAP with elevated blood pressure (BP), but no evidence exists from multi-country analyses. OBJECTIVES: Using nationally representative and internationally comparable data, we examined the association between solid fuel use and BP in 77,605 largely premenopausal women (aged 15-49) from ten resource-poor countries...
January 2018: Environmental Research
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