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https://www.readbyqxmd.com/read/29121604/occupational-exposure-to-indoor-air-pollution-among-bakery-workers-in-ethiopia-a-comparison-of-electric-and-biomass-cookstoves
#1
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...
November 6, 2017: 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
#2
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...
November 5, 2017: Environmental Research
https://www.readbyqxmd.com/read/29100208/differential-exposure-and-acute-health-impacts-of-inhaled-solid-fuel-emissions-from-rudimentary-and-advanced-cookstoves-in-female-cd-1-mice
#3
Eugene A Gibbs-Flournoy, M Ian Gilmour, Mark Higuchi, James Jetter, Ingrid George, Lisa Copeland, Randy Harrison, Virginia C Moser, Janice A Dye
BACKGROUND: There is an urgent need to provide access to cleaner end user energy technologies for the nearly 40% of the world's population who currently depend on rudimentary cooking and heating systems. Advanced cookstoves (CS) are designed to cut emissions and solid-fuel consumption, thus reducing adverse human health and environmental impacts. STUDY PREMISE: We hypothesized that, compared to a traditional (Tier 0) three-stone (3-S) fire, acute inhalation of solid-fuel emissions from advanced natural-draft (ND; Tier 2) or forced-draft (FD; Tier 3) stoves would reduce exposure biomarkers and lessen pulmonary and innate immune system health effects in exposed mice...
October 31, 2017: Environmental Research
https://www.readbyqxmd.com/read/29058409/new-emission-factors-and-efficiencies-from-in-field-measurements-of-traditional-and-improved-cookstoves-and-their-potential-implications
#4
Evan R Coffey, Didier Muvandimwe, Yolanda Hagar, Christine Wiedinmyer, Ernest Kanyomse, Ricardo Piedrahita, Katherine L Dickinson, Abraham Oduro, Michael P Hannigan
Household cooking using solid biomass fuels is a major global health and environmental concern. As part of the Research on Emissions Air quality Climate and Cooking Technologies in Northern Ghana study, we conducted 75 in-field uncontrolled cooking tests designed to assess emissions and efficiency of the Gyapa woodstove, Philips HD4012, threestone fire and coalpot (local charcoal stove). Emission factors (EFs) were calculated for carbon monoxide (CO), carbon dioxide (CO2), and particulate matter (PM). Moreover, modified combustion (MCE), heat transfer (HTE) and overall thermal efficiencies (OTE) were calculated across a variety of fuel, stove and meal type combinations...
November 7, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28986011/trans-generational-changes-and-rural-urban-inequality-in-household-fuel-use-and-cookstove-ventilation-in-china-a-multi-region-study-of-0-5-million-adults
#5
Ka Hung Chan, Kin Bong Hubert Lam, Om P Kurmi, Yu Guo, Derrick Bennett, Zheng Bian, Paul Sherliker, Junshi Chen, Liming Li, Zhengming Chen
BACKGROUND: Disease burden estimates related to household air pollution (HAP) relied on cross-sectional data on cooking fuel, overlooking other important sources (e.g. heating) and temporal-regional variations of exposure in geographically diverse settings. We aimed to examine the trends and variations of for cooking and heating fuel use and ventilation in 500,000 adults recruited from 10 diverse localities of China. METHODS: At baseline (2004-08) and two subsequent resurveys (2008-14), participants of China Kadoorie Biobank, aged 30-79, reported their past and current fuel use for cooking and heating and the availability of cookstove ventilation...
November 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/28917179/emission-reduction-potentials-of-improved-cookstoves-and-their-issues-in-adoption-an-indian-outlook
#6
REVIEW
Monikankana Sharma, S Dasappa
Biomass as a fuel for cooking is a common practice in rural India, and about 700 million people use traditional stoves to meet their energy demand. However, the thermal and the combustion efficiencies of these stoves are very low, leading to an inefficient use of biomass, and also, resulting in significant indoor air pollution. Research development has however led to the development of some improved stoves viz., natural draft and forced draft for both domestic as well as large scale cooking applications and government is trying to promote them...
December 15, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28915540/impact-of-partial-fuel-switch-on-household-air-pollutants-in-sub-sahara-africa
#7
Vianney Tumwesige, Gabriel Okello, Sean Semple, Jo Smith
Over 700 million people in Sub-Saharan Africa depend on solid biomass fuel and use simple cookstoves in poorly ventilated kitchens, which results in high indoor concentrations of household air pollutants. Switching from biomass to biogas as a cooking fuel can reduce airborne emissions of fine particulate matter (PM2.5) and carbon monoxide (CO), but households often only partially convert to biogas, continuing to use solid biomass fuels for part of their daily cooking needs. There is little evidence of the benefits of partial switching to biogas...
December 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28801708/characterizing-particulate-matter-exfiltration-estimates-for-alternative-cookstoves-in-a-village-like-household-in-rural-nepal
#8
Sutyajeet I Soneja, James M Tielsch, Subarna K Khatry, Benjamin Zaitchik, Frank C Curriero, Patrick N Breysse
Alternative stoves are an intervention option to reduce household air pollution. The amount of air pollution exiting homes when alternative stoves are utilized is not known. In this paper, particulate matter exfiltration estimates are presented for four types of alternative stoves within a village-like home, which was built to reflect the use of local materials and common size, in rural Nepal. Four alternative stoves with chimneys were examined, which included an alternative mud brick stove, original Envirofit G3355 model, manufacture altered Envirofit G3355, and locally altered Envirofit G3355...
August 11, 2017: Environmental Management
https://www.readbyqxmd.com/read/28732501/ambulatory-monitoring-demonstrates-an-acute-association-between-cookstove-related-carbon-monoxide-and-blood-pressure-in-a-ghanaian-cohort
#9
Ashlinn K Quinn, Kenneth Ayuurebobi Ae-Ngibise, Patrick L Kinney, Seyram Kaali, Blair J Wylie, Ellen Boamah, Daichi Shimbo, Oscar Agyei, Steven N Chillrud, Mohammed Mujtaba, Joseph E Schwartz, Marwah Abdalla, Seth Owusu-Agyei, Darby W Jack, Kwaku Poku Asante
BACKGROUND: Repeated exposure to household air pollution may intermittently raise blood pressure (BP) and affect cardiovascular outcomes. We investigated whether hourly carbon monoxide (CO) exposures were associated with acute increases in ambulatory blood pressure (ABP); and secondarily, if switching to an improved cookstove was associated with BP changes. We also evaluated the feasibility of using 24-h ambulatory blood pressure monitoring (ABPM) in a cohort of pregnant women in Ghana...
July 21, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28698468/adoption-of-clean-cookstoves-after-improved-solid-fuel-stove-programme-exposure-a-cross-sectional-study-in-three-peruvian-andean-regions
#10
Jennyfer Wolf, Daniel Mäusezahl, Hector Verastegui, Stella M Hartinger
This study examined measures of clean cookstove adoption after improved solid fuel stove programmes in three geographically and culturally diverse rural Andean settings and explored factors associated with these measures. A questionnaire was administered to 1200 households on stove use and cooking behaviours including previously defined factors associated with clean cookstove adoption. Logistic multivariable regressions with 16 pre-specified explanatory variables were performed for three outcomes; (1) daily improved solid fuel stove use, (2) use of liquefied petroleum gas stove and (3) traditional stove displacement...
July 8, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28640607/primary-and-photochemically-aged-aerosol-emissions-from-biomass-cookstoves-chemical-and-physical-characterization
#11
Stephen M Reece, Aditya Sinha, Andrew P Grieshop
Secondary organic aerosol (SOA) formation during photo-oxidation of primary emissions from cookstoves used in developing countries may make important contributions to their climate and air quality impacts. We present results from laboratory experiments with a field portable oxidation flow reactor (F-OFR) to study the evolution of emissions over hours to weeks of equivalent atmospheric aging. Lab tests, using dry red oak, measured fresh and aged emissions from a 3 stone fire (TSF), a "rocket" natural draft stove (NDS), and a forced draft gasifier stove (FDGS), in order of increasing modified combustion efficiency (MCE) and decreasing particulate matter emission factors (EF)...
July 25, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28617349/investigation-of-acute-pulmonary-deficits-associated-with-biomass-fuel-cookstove-emissions-in-rural-bangladesh
#12
Danielle N Medgyesi, Heather A Holmes, Jeff E Angermann
The use of solid biomass fuels in cookstoves has been associated with chronic health impacts that disproportionately affect women worldwide. Solid fuel stoves that use wood, plant matter, and cow dung are commonly used for household cooking in rural Bangladesh. This study investigates the immediate effects of acute elevated cookstove emission exposures on pulmonary function. Pulmonary function was measured with spirometry before and during cooking to assess changes in respiratory function during exposure to cookstove emissions for 15 females ages 18-65...
June 15, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28599193/organic-and-inorganic-speciation-of-particulate-matter-formed-during-different-combustion-phases-in-an-improved-cookstove
#13
Anna Leavey, Sameer Patel, Raul Martinez, Dhruv Mitroo, Claire Fortenberry, Michael Walker, Brent Williams, Pratim Biswas
Residential solid fuel combustion in cookstoves has established health impacts including bladder and lung cancers, cataracts, low birth weight, and pneumonia. The chemical composition of particulate matter (PM) from 4 commonly-used solid fuels (coal, dung, ambient/dry applewood, and oakwood pellets), emitted from a gasifier cookstove, as well as propane, were examined. Temporal changes between the different cookstove burn-phases were also explored. Normalized concentrations of non-refractory PM1, total organics, chloride, ammonium, nitrate, sulfate, and 41 particle-phase polycyclic aromatic hydrocarbons (PAHs) were measured using a High-Resolution Time-of-Flight Aerosol Mass Spectrometer (HR-ToF-AMS) and a Thermal desorption Aerosol Gas chromatograph (TAG), respectively...
October 2017: Environmental Research
https://www.readbyqxmd.com/read/28575932/household-air-pollution-and-angiogenic-factors-in-pregnant-nigerian-women-a-randomized-controlled-ethanol-cookstove-intervention
#14
Anindita Dutta, Katherine Brito, Galina Khramstova, Ariel Mueller, Sireesha Chinthala, Donee Alexander, Damilola Adu, Tope Ibigbami, John Olamijulo, Abayomi Odetunde, Kehinde Adigun, Liese Pruitt, Olufunmilayo Olopade, Oladosu Ojengbede, Sarosh Rana, Christopher O Olopade
BACKGROUND: Maternal exposure to ambient air pollution affects placental growth markers. OBJECTIVES: Investigate impact of household air pollution (HAP) on placental growth markers. METHODS: Two groups of pregnant women were identified: firewood/kerosene stove-users (A, n=33) and bioethanol stove-users (B, n=44) that participated in a randomized control trial in Ibadan, Nigeria. A third group of non-smoking and presumed liquefied petroleum gas-using Chicago women (C, n=19) were included in this exploratory pilot to assess for possible differences between similar racial groups...
December 1, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28511647/low-smoke-chulha-in-indian-slums-study-protocol-for-a-randomised-controlled-trial
#15
RANDOMIZED CONTROLLED TRIAL
Megha Thakur, Esther A Boudewijns, Giridhara R Babu, Bjorn Winkens, Luc P de Witte, Jeroen Gruiskens, Preeti Sushama, Cristian T Ghergu, Onno C P van Schayck
BACKGROUND: Biomass fuel is used as a primary cooking source by more than half of the world's population, contributing to a high burden of disease. Although cleaner fuels are available, some households continue using solid fuels because of financial constraints and absence of infrastructure, especially in non-notified slums. The present study documents a randomised controlled study investigating the efficacy of improved cookstove on the personal exposure to air pollution and the respiratory health of women and children in an Indian slum...
May 16, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28486200/mutagenicity-of-particle-emissions-from-solid-fuel-cookstoves-a-literature-review-and-research-perspective
#16
REVIEW
Guofeng Shen
Household solid fuel use is a major source of many air pollutants causing severe air pollution and adverse health outcomes. In evaluation of health impacts of household air pollution, it is essential to characterize toxic properties like mutagenicity of residential fuel combustion emissions and exposure assessments. Mutagenicity of emissions from solid fuel cookstoves were analyzed through a literature review. T98 and TA100 strains are two most widely used strains in mutagenic Ames test, and results for these two strains are generally positively correlated though they have different endpoints...
July 2017: Environmental Research
https://www.readbyqxmd.com/read/28485591/a-laboratory-comparison-of-emission-factors-number-size-distributions-and-morphology-of-ultrafine-particles-from-11-different-household-cookstove-fuel-systems
#17
Guofeng Shen, Chethan K Gaddam, Seth M Ebersviller, Randy L Vander Wal, Craig Williams, Jerroll W Faircloth, James J Jetter, Michael D Hays
Ultrafine particle (UFP) emissions and particle number size distributions (PNSD) are critical in the evaluation of air pollution impacts; however, data on UFP number emissions from cookstoves, which are a major source of many pollutants, are limited. In this study, 11 fuel-stove combinations covering a variety of fuels and different stoves are investigated for UFP emissions and PNSD. The combustion of LPG and alcohol (∼10(11) particles per useful energy delivered, particles/MJd), and kerosene (∼10(13) particles/MJd), produced emissions that were lower by 2-3 orders of magnitude than solid fuels (10(14)-10(15) particles/MJd)...
June 6, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28441633/a-health-intervention-or-a-kitchen-appliance-household-costs-and-benefits-of-a-cleaner-burning-biomass-fuelled-cookstove-in-malawi
#18
Katie Cundale, Ranjeeta Thomas, Jullita Kenala Malava, Deborah Havens, Kevin Mortimer, Lesong Conteh
Pneumonia is the leading cause of mortality for children under five years in sub-Saharan Africa. Household air pollution has been found to increase risk of pneumonia, especially due to exposure from dirty burning biomass fuels. It has been suggested that advanced stoves, which burn fuel more efficiently and reduce smoke emissions, may help to reduce household air pollution in poor, rural settings. This qualitative study aims to provide an insight into the household costs and perceived benefits from use of the stove in Malawi...
June 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/28431264/intercomparison-of-methods-to-estimate-black-carbon-emissions-from-cookstoves
#19
Candela de la Sota, Moustapha Kane, Javier Mazorra, Julio Lumbreras, Issakha Youm, Mar Viana
Black carbon is the second largest contributor to climate change and also poses risks to human health. Despite the need for black carbon (BC) emissions estimates from residential biomass burning for cooking, quantitative data are still scarce. This scarcity is mainly due to the scattered location of the stoves, as well as relatively costly and complex analytical methods available. Two low cost and easy-to-use optical methods, a cell-phone based system and smoke stain reflectometry, where compared to elemental carbon (EC) concentrations by the Sunset OCEC Analyzer (TOT)...
October 1, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28385476/can-india-lead-the-way-with-the-development-of-safer-cookstoves
#20
Bryant Furlow
No abstract text is available yet for this article.
April 3, 2017: Lancet Respiratory Medicine
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