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https://www.readbyqxmd.com/read/28917179/emission-reduction-potentials-of-improved-cookstoves-and-their-issues-in-adoption-an-indian-outlook
#1
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...
September 13, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28915541/temporal-variability-in-aerosol-characteristics-and-its-radiative-properties-over-patiala-northwestern-part-of-india-impact-of-agricultural-biomass-burning-emissions
#2
D Sharma, A K Srivastava, K Ram, A Singh, D Singh
A comprehensive measurements of aerosol optical depth (AOD), particulate matter (PM) and black carbon (BC) mass concentrations have been carried out over Patiala, a semi-urban site in northwest India during October 2008 to September 2010. The measured aerosol data was incorporated in an aerosol optical model to estimate various aerosol optical parameters, which were subsequently used for radiative forcing estimation. The measured AOD at 500 nm (AOD500) shows a significant seasonal variability, with maximum value of 0...
September 11, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28843898/role-of-heavy-metals-in-structuring-the-microbial-community-associated-with-particulate-matter-in-a-tropical-estuary
#3
V A Sheeba, Anas Abdulaziz, T R Gireeshkumar, Anirudh Ram, P S Rakesh, C Jasmin, P S Parameswaran
Particulate matter (PM), which are chemically and biochemically complicated particles, accommodate a plethora of microorganisms. In the present study, we report the influence of heavy metal pollution on the abundance and community structure of archaea and bacteria associated with PM samples collected from polluted and non-polluted regions of Cochin Estuary (CE), Southwest coast of India. We observed an accumulation of heavy metals in PM collected from CE, and their concentrations were in the order Fe > Zn > Mn > Cr > Pb > Cu > Cd > Co > Ni...
August 24, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28830016/source-apportionment-of-pm2-5-in-north-india-using-source-oriented-air-quality-models
#4
Hao Guo, Sri Harsha Kota, Shovan Kumar Sahu, Jianlin Hu, Qi Ying, Aifang Gao, Hongliang Zhang
In recent years, severe pollution events were observed frequently in India especially at its capital, New Delhi. However, limited studies have been conducted to understand the sources to high pollutant concentrations for designing effective control strategies. In this work, source-oriented versions of the Community Multi-scale Air Quality (CMAQ) model with Emissions Database for Global Atmospheric Research (EDGAR) were applied to quantify the contributions of eight source types (energy, industry, residential, on-road, off-road, agriculture, open burning and dust) to fine particulate matter (PM2...
August 19, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28804491/phylloremediation-of-air-pollutants-exploiting-the-potential-of-plant-leaves-and-leaf-associated-microbes
#5
REVIEW
Xiangying Wei, Shiheng Lyu, Ying Yu, Zonghua Wang, Hong Liu, Dongming Pan, Jianjun Chen
Air pollution is air contaminated by anthropogenic or naturally occurring substances in high concentrations for a prolonged time, resulting in adverse effects on human comfort and health as well as on ecosystems. Major air pollutants include particulate matters (PMs), ground-level ozone (O3), sulfur dioxide (SO2), nitrogen dioxides (NO2), and volatile organic compounds (VOCs). During the last three decades, air has become increasingly polluted in countries like China and India due to rapid economic growth accompanied by increased energy consumption...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28790379/discovery-and-ramifications-of-incidental-magn%C3%A3-li-phase-generation-and-release-from-industrial-coal-burning
#6
Yi Yang, Bo Chen, James Hower, Michael Schindler, Christopher Winkler, Jessica Brandt, Richard Di Giulio, Jianping Ge, Min Liu, Yuhao Fu, Lijun Zhang, Yuru Chen, Shashank Priya, Michael F Hochella
Coal, as one of the most economic and abundant energy sources, remains the leading fuel for producing electricity worldwide. Yet, burning coal produces more global warming CO2 relative to all other fossil fuels, and it is a major contributor to atmospheric particulate matter known to have a deleterious respiratory and cardiovascular impact in humans, especially in China and India. Here we have discovered that burning coal also produces large quantities of otherwise rare Magnéli phases (Ti x O2x-1 with 4 ≤ x ≤ 9) from TiO2 minerals naturally present in coal...
August 8, 2017: Nature Communications
https://www.readbyqxmd.com/read/28730356/seasonal-variation-of-chemical-composition-and-source-apportionment-of-pm2-5-in-pune-india
#7
Ranjeeta D Gawhane, Pasumarthi Surya Prakasa Rao, Krishnakant B Budhavant, Vinayak Waghmare, Dhananjay C Meshram, Pramod D Safai
Particulate matter with size less than or equal to 2.5 μm (PM2.5) samples were collected from an urban site Pune, India, during April 2015 to April 2016. The samples were analyzed for various chemical constituents, including water soluble inorganic ions, organic carbon (OC), and elemental carbon (EC). The yearly mean total mass concentration of PM2.5 at Pune was 37.3 μg/m(3), which is almost four times higher than the annual WHO standard (10 μg/m(3)), and almost equal to that recommended by the Central Pollution Control Board, India (40 μg/m(3))...
July 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28678614/emission-from-open-burning-of-municipal-solid-waste-in-india
#8
Kanchan Kumari, Sunil Kumar, R Vineel, Ankur Khare, Rakesh Kumar
Open burning of Municipal Solid Waste (MSW) is a potential non-point source of emission, which causes greater concern especially in developing countries like India. The lack of awareness about environmental impact of open burning among the public, and ignorance of the fact i.e., "Open burning is a source of emission of carcinogenic substances" by environmental organizations are major hindrances towards appropriate municipal solid waste management (MSWM) system in India. The present paper highlights about the open burning of MSW practices in India, the current and projected emission of 10 major pollutants, namely dioxin, furans, particulate matter, carbon monoxide, sulphur oxides, nitrogen oxides, benzene, toluene, ethyl benzene and 1-hexene emitted due to the open burning of MSW...
July 5, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28668997/chemical-constituents-of-carbonaceous-and-nitrogen-aerosols-over-thumba-region-trivandrum-india
#9
Prashant Hegde, Kimitaka Kawamura
Aerosol filter samples collected at a tropical coastal site Thumba over Indian region were analysed for water-soluble ions, total carbon and nitrogen, organic carbon (OC), elemental carbon (EC), and water-soluble organic carbon/nitrogen and their sources for different seasons of the year. For the entire study period, the order of abundance of ions showed the dominance of secondary ions, such as SO4(2-), NO3(-), and NH4(+). On average, Mg(2+) (56%), K(+) (11%), SO4(2-) (8.8%), and Ca(2+) (8.1%) contributions were from maritime influence...
July 1, 2017: Archives of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28636497/size-segregated-particulate-matter-and-its-association-with-respiratory-deposition-doses-among-outdoor-exercisers-in-dhanbad-city-india
#10
Sunil Kumar Gupta, Suresh Pandian Elumalai
Regular exercise improves physiological processes and yields positive health outcomes. However, it is relatively less known that particulate matter (PM) exposure during outdoor exercises may increase several respiratory health problems depending on PM levels. In this study, the respiratory deposition doses (RDDs) in head airway (HD), tracheobronchial (TB), and alveolar (AL) regions of various PM size fractions (<10, <2.5, and <1 μm; PM10, PM2.5, and PM1) were estimated in healthy male and female exercisers in urban outdoors and within house premises...
October 2017: Journal of the Air & Waste Management Association
https://www.readbyqxmd.com/read/28609619/high-efficiency-transparent-reusable-and-active-pm2-5-filters-by-hierarchical-ag-nanowire-percolation-network
#11
Seongmin Jeong, Hyunmin Cho, Seonggeun Han, Phillip Won, Habeom Lee, Sukjoon Hong, Junyeob Yeo, Jinhyeong Kwon, Seung Hwan Ko
Air quality has become a major public health issue in Asia including China, Korea, and India. Particulate matters are the major concern in air quality. We present the first environmental application demonstration of Ag nanowire percolation network for a novel, electrical type transparent, reusable, and active PM2.5 air filter although the Ag nanowire percolation network has been studied as a very promising transparent conductor in optoelectronics. Compared with previous particulate matter air filter study using relatively weaker short-range intermolecular force in polar polymeric nanofiber, Ag nanowire percolation network filters use stronger long-range electrostatic force to capture PM2...
June 13, 2017: Nano Letters
https://www.readbyqxmd.com/read/28606699/integrated-assessment-of-exposure-to-pm2-5-in-south-india-and-its-relation-with-cardiovascular-risk-design-of-the-chai-observational-cohort-study
#12
Cathryn Tonne, Maëlle Salmon, Margaux Sanchez, V Sreekanth, Santhi Bhogadi, Sankar Sambandam, Kalpana Balakrishnan, Sanjay Kinra, Julian D Marshall
While there is convincing evidence that fine particulate matter causes cardiovascular mortality and morbidity, little of the evidence is based on populations outside of high income countries, leaving large uncertainties at high exposures. India is an attractive setting for investigating the cardiovascular risk of particles across a wide concentration range, including concentrations for which there is the largest uncertainty in the exposure-response relationship. CHAI is a European Research Council funded project that investigates the relationship between particulate air pollution from outdoor and household sources with markers of atherosclerosis, an important cardiovascular pathology...
June 3, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/28516352/air-pollution-and-respiratory-health-among-diabetic-and-non-diabetic-subjects-in-pune-india-results-from-the-wellcome-trust-genetic-study
#13
Morteza Abdullatif Khafaie, Sundeep Santosh Salvi, Chittaranjan Sakerlal Yajnik, Ajay Ojha, Behzad Khafaie, Sharad Damodar Gore
Diabetics may be more vulnerable to the harmful effects of ambient air pollutants than healthy individuals. But, the risk factors that lead to susceptibility to air pollution in diabetics have not yet been identified. We examined the effect of exposure to ambient PM10 on chronic symptoms and the pulmonary function tests (PFT) in diabetic and non-diabetic subjects. Also, to investigate possible determinants of susceptibility, we recruited 400 type 2 diabetic and 465 healthy subjects who were investigated for chronic respiratory symptoms (CRSs) and then underwent measurement of forced vital capacity (FVC) and forced expiratory volume 1 (FEV1) according to standard protocol...
May 17, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28486185/biomass-burning-in-indo-china-peninsula-and-its-impacts-on-regional-air-quality-and-global-climate-change-a-review
#14
REVIEW
Ishwar Chandra Yadav, Ningombam Linthoingambi Devi, Jun Li, Jabir Hussain Syed, Gan Zhang, Hirozumi Watanabe
Although, many biomass burning (BB) emissions products (particulate matter and trace gases) are believed to be trans-boundary pollutants that originates from India and China (the two most populous countries in Asia), the information about BB emission and related contents is limited for Indo-China Peninsula (ICP) region. This motivated us to review this region pertaining to BB emission. The main objective of the review is to document the current status of BB emission in ICP region. In order to highlight the impact of BB on regional air quality and global climate change, the role of BB emission in ICP region is also discussed...
August 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28455568/chemical-characteristics-and-source-apportionment-of-pm2-5-using-pca-apcs-unmix-and-pmf-at-an-urban-site-of-delhi-india
#15
Srishti Jain, Sudhir Kumar Sharma, Nikki Choudhary, Renu Masiwal, Mohit Saxena, Ashima Sharma, Tuhin Kumar Mandal, Anshu Gupta, Naresh Chandra Gupta, Chhemendra Sharma
The present study investigated the comprehensive chemical composition [organic carbon (OC), elemental carbon (EC), water-soluble inorganic ionic components (WSICs), and major & trace elements] of particulate matter (PM2.5) and scrutinized their emission sources for urban region of Delhi. The 135 PM2.5 samples were collected from January 2013 to December 2014 and analyzed for chemical constituents for source apportionment study. The average concentration of PM2.5 was recorded as 121.9 ± 93.2 μg m(-3) (range 25...
June 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28431317/ambient-pm2-5-exposure-and-premature-mortality-burden-in-the-holy-city-varanasi-india
#16
Vaishali Jain, Sagnik Dey, Sourangsu Chowdhury
More than 3 million population residing in the holy city Varanasi and sub-urban areas is exposed to very high level of fine particulate matter (PM2.5) from various sources. Continuous monitoring by Central Pollution Control Board started only in 2015; therefore what was the pollution level in the past and how it has changed over the years are not known. We use MODIS aerosol products to infer PM2.5 and examine 15-year climatology. Data shows a rapid (1.5-3% per year) increase in PM2.5 in the last 15 years and high (87% days in a year) persistence of PM2...
July 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28420188/health-risk-assessment-of-indoor-air-quality-socioeconomic-and-house-characteristics-on-respiratory-health-among-women-and-children-of-tirupur-south-india
#17
Krassi Rumchev, Yun Zhao, Jeffery Spickett
Background: Indoor air pollution is still considered as one of the leading causes of morbidity and mortality worldwide and especially in developing countries, including India. This study aims to assess social, housing, and indoor environmental factors associated with respiratory health among mothers and children. Methods: The study was conducted in the city of Tirupur, South India. We quantitatively assessed the indoor exposure to fine particulate matter (PM2.5) and carbon monoxide in relation to respiratory health among women and children...
April 17, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28376835/indoor-air-pollution-and-its-association-with-poor-lung-function-microalbuminuria-and-variations-in-blood-pressure-among-kitchen-workers-in-india-a-cross-sectional-study
#18
Amarnath Singh, Chandrasekharan Nair Kesavachandran, Ritul Kamal, Vipin Bihari, Afzal Ansari, Parappurath Abdul Azeez, Prem Narain Saxena, Anil Kumar Ks, Altaf Hussain Khan
BACKGROUND: The present study is an attempt to explore the association between kitchen indoor air pollutants and physiological profiles in kitchen workers with microalbuminuria (MAU) in north India (Lucknow) and south India (Coimbatore). METHODS: The subjects comprised 145 control subjects, 233 kitchen workers from north India and 186 kitchen workers from south India. Information related to the personal and occupational history and health of the subjects at both locations were collected using a custom-made questionnaire...
April 4, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28347611/ambient-particulate-matter-and-carbon-monoxide-at-an-urban-site-of-india-influence-of-anthropogenic-emissions-and-dust-storms
#19
Ravi Yadav, L K Sahu, G Beig, Nidhi Tripathi, S N A Jaaffrey
Continuous measurements of PM2.5, PM10 and CO were conducted at an urban site of Udaipur in India from April 2011 to March 2012. The annual mean concentrations of PM2.5, PM10 and CO were 42 ± 17 μg m(-3), 114 ± 31 μg m(-3) and 343 ± 136 ppbv, respectively. Concentrations of both particulate and CO showed high values during winter/pre-monsoon (dry) period and lowest in the monsoon season (wet). Local anthropogenic emission and long-range transport from open biomass burning sources along with favourable synoptic meteorology led to elevated levels of pollutants in the dry season...
June 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28291535/the-health-burden-and-economic-costs-averted-by-ambient-pm2-5-pollution-reductions-in-nagpur-india
#20
Tunde O Etchie, Saravanadevi Sivanesan, Gregory O Adewuyi, Kannan Krishnamurthi, Padma S Rao, Ayotunde T Etchie, Ajay Pillarisetti, Narendra K Arora, Kirk R Smith
National estimates of the health and economic burdens of exposure to ambient fine particulate matter (PM2.5) in India reveal substantial impacts. This information, often lacking at the local level, can justify and drive mitigation interventions. Here, we assess the health and economic gains resulting from attainment of WHO guidelines for PM2.5 concentrations - including interim target 2 (IT-2), interim target 3 (IT-3), and the WHO air quality guideline (AQG) - in Nagpur district to inform policy decision making for mitigation...
March 10, 2017: Environment International
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