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https://www.readbyqxmd.com/read/28640607/primary-and-photochemically-aged-aerosol-emissions-from-biomass-cookstoves-chemical-and-physical-characterization
#1
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)...
June 22, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28617349/investigation-of-acute-pulmonary-deficits-associated-with-biomass-fuel-cookstove-emissions-in-rural-bangladesh
#2
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
#3
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...
June 6, 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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
Bryant Furlow
No abstract text is available yet for this article.
April 3, 2017: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/28341576/effectiveness-of-interventions-to-reduce-household-air-pollution-and-or-improve-health-in-homes-using-solid-fuel-in-low-and-middle-income-countries-a-systematic-review-and-meta-analysis
#11
REVIEW
Reginald Quansah, Sean Semple, Caroline A Ochieng, Sanjar Juvekar, Frederick Ato Armah, Isaac Luginaah, Jacques Emina
BACKGROUND: Cookstove intervention programs have been increasing over the past two (2) decades in Low and Middle Income Countries (LMICs) across the globe. However, there remains uncertainty regarding the effects of these interventions on household air pollution concentrations, personal exposure concentrations and health outcomes. OBJECTIVES: The primary objective was to determine if household air pollution (HAP) interventions were associated with improved indoor air quality (IAQ) in households in LMICs...
June 2017: Environment International
https://www.readbyqxmd.com/read/28115698/transient-climate-and-ambient-health-impacts-due-to-national-solid-fuel-cookstove-emissions
#12
Forrest G Lacey, Daven K Henze, Colin J Lee, Aaron van Donkelaar, Randall V Martin
Residential solid fuel use contributes to degraded indoor and ambient air quality and may affect global surface temperature. However, the potential for national-scale cookstove intervention programs to mitigate the latter issues is not yet well known, owing to the spatial heterogeneity of aerosol emissions and impacts, along with coemitted species. Here we use a combination of atmospheric modeling, remote sensing, and adjoint sensitivity analysis to individually evaluate consequences of a 20-y linear phase-out of cookstove emissions in each country with greater than 5% of the population using solid fuel for cooking...
February 7, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28081369/randomized-controlled-ethanol-cookstove-intervention-and-blood-pressure-in-pregnant-nigerian-women
#13
Donee Alexander, Amanda Northcross, Nathaniel Wilson, Anindita Dutta, Rishi Pandya, Tope Ibigbami, Damilola Adu, John Olamijulo, Oludare Morhason-Bello, Theodore Karrison, Oladosu Ojengbede, Christopher O Olopade
RATIONALE: Hypertension during pregnancy is a leading cause of maternal mortality. Exposure to household air pollution elevates blood pressure (BP). OBJECTIVES: To investigate the ability of a clean cookstove intervention to lower BP during pregnancy. METHODS: We conducted a randomized controlled trial in Nigeria. Pregnant women cooking with kerosene or firewood were randomly assigned to an ethanol arm (n = 162) or a control arm (n = 162)...
June 15, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28060518/in-use-emissions-and-estimated-impacts-of-traditional-natural-and-forced-draft-cookstoves-in-rural-malawi
#14
Roshan Wathore, Kevin Mortimer, Andrew P Grieshop
Emissions from traditional cooking practices in low- and middle-income countries have detrimental health and climate effects; cleaner-burning cookstoves may provide "co-benefits". Here we assess this potential via in-home measurements of fuel-use and emissions and real-time optical properties of pollutants from traditional and alternative cookstoves in rural Malawi. Alternative cookstove models were distributed by existing initiatives and include a low-cost ceramic model, two forced-draft cookstoves (FDCS; Philips HD4012LS and ACE-1), and three institutional cookstoves...
February 7, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28040224/household-air-pollution-following-replacement-of-traditional-open-fire-with-an-improved-rocket-type-cookstove
#15
Caroline Ochieng, Sotiris Vardoulakis, Cathryn Tonne
Cooking with biomass fuel is an important source of household air pollution (HAP) in developing countries, and a leading risk factor for ill-health. Although various designs of "improved cookstoves" (ICS) have been promoted as HAP interventions in these settings, few of them have undergone in-field evaluation, partly due to the challenge of conducting field measurements in remote settings. In this study we assessed the change in carbon monoxide (CO) exposure following the replacement of the traditional three-stone stove with a popular ICS in 49 homes in Western Kenya...
February 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/27939058/a-cleaner-burning-biomass-fuelled-cookstove-intervention-to-prevent-pneumonia-in-children-under-5-years-old-in-rural-malawi-the-cooking-and-pneumonia-study-a-cluster-randomised-controlled-trial
#16
RANDOMIZED CONTROLLED TRIAL
Kevin Mortimer, Chifundo B Ndamala, Andrew W Naunje, Jullita Malava, Cynthia Katundu, William Weston, Deborah Havens, Daniel Pope, Nigel G Bruce, Moffat Nyirenda, Duolao Wang, Amelia Crampin, Jonathan Grigg, John Balmes, Stephen B Gordon
BACKGROUND: WHO estimates exposure to air pollution from cooking with solid fuels is associated with over 4 million premature deaths worldwide every year including half a million children under the age of 5 years from pneumonia. We hypothesised that replacing open fires with cleaner burning biomass-fuelled cookstoves would reduce pneumonia incidence in young children. METHODS: We did a community-level open cluster randomised controlled trial to compare the effects of a cleaner burning biomass-fuelled cookstove intervention to continuation of open fire cooking on pneumonia in children living in two rural districts, Chikhwawa and Karonga, of Malawi...
January 14, 2017: Lancet
https://www.readbyqxmd.com/read/27923586/assessment-of-traditional-and-improved-stove-use-on-household-air-pollution-and-personal-exposures-in-rural-western-kenya
#17
Fuyuen Yip, Bryan Christensen, Kanta Sircar, Luke Naeher, Nigel Bruce, David Pennise, Matthew Lozier, Tamara Pilishvili, Jennifer Loo Farrar, Debbi Stanistreet, Ronald Nyagol, Justus Muoki, Lindsey de Beer, Michael Sage, Vikas Kapil
BACKGROUND: Over 40% of the world's population relies on solid fuels for heating and cooking. Use of improved biomass cookstoves (ICS) has the potential to reduce household air pollution (HAP). OBJECTIVES: As part of an evaluation to identify ICS for use in Kenya, we collected indoor air and personal air samples to assess differences between traditional cookstoves (TCS) and ICS. METHODS: We conducted a cross-over study in 2012 in two Kenyan villages; up to six different ICS were installed in 45 households during six two-week periods...
December 3, 2016: Environment International
https://www.readbyqxmd.com/read/27846224/effectiveness-of-six-improved-cookstoves-in-reducing-household-air-pollution-and-their-acceptability-in-rural-western-kenya
#18
Tamara Pilishvili, Jennifer D Loo, Stephanie Schrag, Debbi Stanistreet, Bryan Christensen, Fuyuen Yip, Ronald Nyagol, Robert Quick, Mike Sage, Nigel Bruce
BACKGROUND: Household air pollution (HAP) from biomass fuel burning is linked to poor health outcomes. Improved biomass cookstoves (ICS) have the potential to improve HAP. OBJECTIVES: A pre-/post- intervention study assessed the impact of six ICS on indoor air quality and acceptability of ICS to local users in rural Western Kenya. METHODS: We measured mean personal and kitchen level concentrations of particulate matter <2.5μm in diameter (PM2...
2016: PloS One
https://www.readbyqxmd.com/read/27788443/modelling-energy-and-environmental-impacts-of-traditional-and-improved-shea-butter-production-in-west-africa-for-food-security
#19
Colleen C Naughton, Qiong Zhang, James R Mihelcic
This study improves the global application of methods and analyses, especially Life Cycle Assessment (LCA), that properly incorporates environmental impacts of firewood and a social sustainability indicator (human energy) as tools for sustainable human development. Specifically shea butter production processes, common throughout sub-Saharan Africa and crucial to food security, environmental sustainability, and women's empowerment, are analyzed. Many economic activities in the world rely on firewood for energy and labor that aren't included in traditional LCAs...
January 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/27788434/exposures-to-and-origins-of-carbonaceous-pm2-5-in-a-cookstove-intervention-in-northern-ghana
#20
Ricardo Piedrahita, Ernest Kanyomse, Evan Coffey, Mingjie Xie, Yolanda Hagar, Rex Alirigia, Felix Agyei, Christine Wiedinmyer, Katherine L Dickinson, Abraham Oduro, Michael Hannigan
REACCTING (Research on Emissions Air Quality, Climate, and Cooking Technologies in Northern Ghana) was a 200-home cookstove intervention study from 2013 to 2015. Study households were divided into four groups: a control group, a group given two locally made rocket stoves, a group given two Philips forced draft stoves, and a group given a locally made rocket stove and a Philips stove. In a subset of study households, 48-hour PM2.5 exposure samples were collected for adults and children, as well as in the primary cooking area...
January 15, 2017: Science of the Total Environment
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