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Sameer Patel, Jiayu Li, Apoorva Pandey, Shamsh Pervez, Rajan K Chakrabarty, Pratim Biswas
Many households use solid fuels for cooking and heating purposes. There is currently a knowledge gap in our understanding of the variations in indoor air quality throughout the household as most of the studies focus on the areas in the close proximity of the cookstove. A low-cost wireless particulate matter (PM) sensor network was developed and deployed in households in Raipur, India to establish the spatio-temporal variation of PM concentrations. The data from multiple sensors were acquired in real-time with a wireless system...
October 11, 2016: Environmental Research
Ashraful Alam, Nanda Tawale, Archana Patel, Michael J Dibley, Sunil Jadhao, Camille Raynes-Greenow
Exposure to household air pollution is estimated to be the 3rd largest contributor to the global burden of disease and the largest contributor in South Asia. Unacceptability of improved cook stoves by the intended user has been identified as a crucial factor hindering uptake and sustained use. We conducted a qualitative study to understand the socio-cultural factors that influence acceptance of improved cookstoves and conducted a systematic field trial in two rural villages in Maharashtra, India. The qualitative study used semi-structured in-depth interviews and focus group discussions...
2016: International Journal of Environmental Research and Public Health
Daniel L Wilson
No abstract text is available yet for this article.
September 20, 2016: Environmental Science & Technology
Michael J Phillips, Emily A Smith, Paul L Mosquin, Ryan Chartier, Sumal Nandasena, Katherine Bronstein, Myles F Elledge, Vanessa Thornburg, Jonathan Thornburg, Linda M Brown
A pilot study of indoor air pollution produced by biomass cookstoves was conducted in 53 homes in Sri Lanka to assess respiratory conditions associated with stove type ("Anagi" or "Traditional"), kitchen characteristics (e.g., presence of a chimney in the home, indoor cooking area), and concentrations of personal and indoor particulate matter less than 2.5 micrometers in diameter (PM2.5). Each primary cook reported respiratory conditions for herself (cough, phlegm, wheeze, or asthma) and for children (wheeze or asthma) living in her household...
2016: International Journal of Environmental Research and Public Health
Jessica Tryner, James W Tillotson, Marc E Baumgardner, Jeffrey T Mohr, Morgan W DeFoort, Anthony J Marchese
No abstract text is available yet for this article.
September 6, 2016: Environmental Science & Technology
Rachel Jen, Yanru Li, Robert L Owens, Atul Malhotra
Chronic obstructive pulmonary disease (COPD) prevalence is rising to epidemic proportions due to historical smoking trends, the aging of the population, and air pollution. Although blaming the victims has been common in COPD, the majority of COPD worldwide is now thought to be nonsmoking related, that is, caused by air pollution and cookstove exposure. It is increasingly appreciated that subjective and objective sleep disturbances are common in COPD, although strong epidemiological data are lacking. People with obstructive sleep apnea (OSA) plus COPD (the so-called overlap syndrome) have a high risk of cardiovascular death, although again mechanisms are unknown and untested...
2016: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
Daniel L Wilson, Jeremy Coyle, Angeli Kirk, Javier Rosa, Omnia Abbas, Mohammed Idris Adam, Ashok J Gadgil
Traditional smoky cooking fires are one of today's greatest environmental threats to human life. These fires, used by 40% of the global population, cause 3.9 million annual premature deaths. "Clean cookstoves" have potential to improve this situation; however, most cookstove programs do not employ objective measurement of adoption to inform design, marketing, subsidies, finance, or dissemination practices. Lack of data prevents insights and may contribute to consistently low adoption rates. In this study, we used sensors and surveys to measure objective versus self-reported adoption of freely-distributed cookstoves in an internally displaced persons camp in Darfur, Sudan...
August 2, 2016: Environmental Science & Technology
Christina K Barstow, Corey L Nagel, Thomas F Clasen, Evan A Thomas
BACKGROUND: In an effort to reduce the disease burden in rural Rwanda, decrease poverty associated with expenditures for fuel, and minimize the environmental impact on forests and greenhouse gases from inefficient combustion of biomass, the Rwanda Ministry of Health (MOH) partnered with DelAgua Health (DelAgua), a private social enterprise, to distribute and promote the use of improved cookstoves and advanced water filters to the poorest quarter of households (Ubudehe 1 and 2) nationally, beginning in Western Province under a program branded Tubeho Neza ("Live Well")...
2016: BMC Public Health
Chen Chen, Scott Zeger, Patrick Breysse, Joanne Katz, William Checkley, Frank C Curriero, James M Tielsch
High concentrations of household air pollution (HAP) due to biomass fuel usage with unvented, insufficient combustion devices are thought to be an important health risk factor in South Asia population. To better characterize the indoor concentrations of particulate matter (PM2.5) and carbon monoxide (CO), and to understand their impact on health in rural southern Nepal, this study analyzed daily monitoring data collected with DataRAM pDR-1000 and LASCAR CO data logger in 2980 households using traditional biomass cookstove indoor through the Nepal Cookstove Intervention Trial-Phase I between March 2010 and October 2011...
2016: PloS One
Vi H Rapp, Julien J Caubel, Daniel L Wilson, Ashok J Gadgil
In order to address the health risks and climate impacts associated with pollution from cooking on biomass fires, researchers have focused on designing new cookstoves that improve cooking performance and reduce harmful emissions, specifically particulate matter (PM). One method for improving cooking performance and reducing emissions is using air injection to increase turbulence of unburned gases in the combustion zone. Although air injection reduces total PM mass emissions, the effect on PM size distribution and number concentration has not been thoroughly investigated...
August 2, 2016: Environmental Science & Technology
Pamela Jagger, Charles Jumbe
Malawi has set a target of adoption of two million improved cookstoves (ICS) by 2020. Meeting this objective requires knowledge about determinants of adoption, particularly in rural areas where the cost of traditional cooking technologies and fuels are non-monetary, and where people have limited capacity to purchase an ICS. We conducted a discrete choice experiment with 383 households in rural Malawi asking them if they would chose a locally made ICS or a package of sugar and salt of roughly equal value. Six months later, we assessed adoption and stove use patterns...
May 2016: Energy Policy
Ngozi Kalu, Norman Lufesi, Deborah Havens, Kevin Mortimer
The Cooking and Pneumonia Study (CAPS) is a pragmatic cluster-level randomized controlled trial of the effect of an advanced cookstove intervention on pneumonia in children under the age of 5 years (under 5s) in Malawi ( The primary outcome of the trial is the incidence of pneumonia during a two-year follow-up period, as diagnosed by healthcare providers who are using the World Health Organization (WHO) integrated management of childhood illnesses (IMCI) pneumonia assessment protocol and who are blinded to the trial arms...
2016: PloS One
Michael Peck, Henry Falk, David Meddings, David Sugerman, Sumi Mehta, Michael Sage
BACKGROUND: Limited and fragmented data collection systems exist for burn injury. A global registry may lead to better injury estimates and identify risk factors. A collaborative effort involving the WHO, the Global Alliance for Clean Cookstoves, the CDC and the International Society for Burn Injuries was undertaken to simplify and standardise inpatient burn data collection. An expert panel of epidemiologists and burn care practitioners advised on the development of a new Global Burn Registry (GBR) form and online data entry system that can be expected to be used in resource-abundant or resource-limited settings...
April 2016: Injury Prevention: Journal of the International Society for Child and Adolescent Injury Prevention
Evan A Thomas, Sarita Tellez-Sanchez, Carson Wick, Miles Kirby, Laura Zambrano, Ghislaine Abadie Rosa, Thomas F Clasen, Corey Nagel
Subject reactivity--when research participants change their behavior in response to being observed--has been documented showing the effect of human observers. Electronics sensors are increasingly used to monitor environmental health interventions, but the effect of sensors on behavior has not been assessed. We conducted a cluster randomized controlled trial in Rwanda among 170 households (70 blinded to the presence of the sensor, 100 open) testing whether awareness of an electronic monitor would result in a difference in weekly use of household water filters and improved cookstoves over a four-week surveillance period...
April 5, 2016: Environmental Science & Technology
Randall Kuhn, Dale S Rothman, Sara Turner, José Solórzano, Barry Hughes
BACKGROUND: The Global Burden of Disease (GBD) studies have transformed global understanding of health risks by producing comprehensive estimates of attributable disease burden, or the current disease that would be eliminated if a risk factor did not exist. Yet many have noted the greater policy significance of avoidable burden, or the future disease that could actually be eliminated if a risk factor were eliminated today. Avoidable risk may be considerably lower than attributable risk if baseline levels of exposure or disease are declining, or if a risk factor carries lagged effects on disease...
2016: PloS One
Adeladza Kofi Amegah, Jouni J K Jaakkola
Globally, 41% of households, over 2.8 billion people, rely on solid fuels (coal and biomass) for cooking and heating. In developing countries in Asia and sub-Saharan Africa where these fuels are predominantly used, women who are customarily responsible for cooking, and their young children, are most exposed to the resulting air pollution. Solid fuels are still in widespread use and it appears that intervention efforts are not keeping pace with population growth in developing countries. Here we pinpoint the challenges and identify opportunities for addressing household air pollution while mitigating global climate change and promoting the sustainable development goals...
March 1, 2016: Bulletin of the World Health Organization
Matthew J Lozier, Kanta Sircar, Bryan Christensen, Ajay Pillarisetti, David Pennise, Nigel Bruce, Debbi Stanistreet, Luke Naeher, Tamara Pilishvili, Jennifer Loo Farrar, Michael Sage, Ronald Nyagol, Justus Muoki, Todd Wofchuck, Fuyuen Yip
Household air pollution (HAP) contributes to 3.5-4 million annual deaths globally. Recent interventions using improved cookstoves (ICS) to reduce HAP have incorporated temperature sensors as stove use monitors (SUMs) to assess stove use. We deployed SUMs in an effectiveness study of 6 ICSs in 45 Kenyan rural homes. Stove were installed sequentially for 2 weeks and kitchen air monitoring was conducted for 48 h during each 2-week period. We placed SUMs on the ICSs and traditional cookstoves (TCS), and the continuous temperature data were analyzed using an algorithm to examine the number of cooking events, days of exclusive use of ICS, and how stove use patterns affect HAP...
April 19, 2016: Environmental Science & Technology
Esra Mutlu, Sarah H Warren, Seth M Ebersviller, Ingeborg M Kooter, Judith E Schmid, Janice A Dye, William P Linak, M Ian Gilmour, James J Jetter, Mark Higuchi, David M DeMarini
BACKGROUND: Emissions from solid fuels used for cooking cause ~4 million premature deaths per year. Advanced solid-fuel cookstoves are a potential solution, but they should be assessed by appropriate performance indicators, including biological effects. OBJECTIVE: We evaluated two categories of solid-fuel cookstoves for eight pollutant and four mutagenicity emission factors, correlated the mutagenicity emission factors, and compared them to those of other combustion emissions...
July 2016: Environmental Health Perspectives
Jennifer D Loo, Lirije Hyseni, Rosebel Ouda, Selline Koske, Ronald Nyagol, Ibrahim Sadumah, Michelle Bashin, Mike Sage, Nigel Bruce, Tamara Pilishvili, Debbi Stanistreet
Over half of the world's population uses biomass fuels; these households cook on open fires indoors, increasing their risk of adverse health effects due to household air pollution (HAP) from biomass combustion. This study evaluated six improved cookstoves (ICS) for effectiveness and acceptability in a rural community in Western Kenya. This paper describes women's views on each ICS compared to the traditional three-stone fire. Views on stove characteristics, fuel consumption, health effects and acceptability were assessed through structured interviews and focus group discussions...
February 2016: International Journal of Environmental Research and Public Health
Sutyajeet I Soneja, James M Tielsch, Subarna K Khatry, Frank C Curriero, Patrick N Breysse
Black carbon (BC) is a major contributor to hydrological cycle change and glacial retreat within the Indo-Gangetic Plain (IGP) and surrounding region. However, significant variability exists for estimates of BC regional concentration. Existing inventories within the IGP suffer from limited representation of rural sources, reliance on idealized point source estimates (e.g., utilization of emission factors or fuel-use estimates for cooking along with demographic information), and difficulty in distinguishing sources...
March 2016: Current Environmental Health Reports
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