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https://www.readbyqxmd.com/read/28735445/characterizing-prolonged-heat-effects-on-mortality-in-a-sub-tropical-high-density-city-hong-kong
#1
Hung Chak Ho, Kevin Ka-Lun Lau, Chao Ren, Edward Ng
Extreme hot weather events are likely to increase under future climate change, and it is exacerbated in urban areas due to the complex urban settings. It causes excess mortality due to prolonged exposure to such extreme heat. However, there is lack of universal definition of prolonged heat or heat wave, which leads to inadequacies of associated risk preparedness. Previous studies focused on estimating temperature-mortality relationship based on temperature thresholds for assessing heat-related health risks but only several studies investigated the association between types of prolonged heat and excess mortality...
July 22, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28735444/past-present-and-future-of-the-climate-and-human-health-commission
#2
Pablo Fdez-Arroyabe, Daysarih Tápanes Robau
The following paper presents the history of the Climate and Human Health Commission at the International Society of Biometeorology after more than one decade since its creation. A brief history of the origins of the human biometeorology is revealed through some of the main research topics and publications of the founders of the society in this field. Secondly, it is presented as a brief review of the activities of the commission in the last 10 years, based on the reports that have periodically been submitted by members of the commission to the Bulletin of the society...
July 22, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28733859/the-past-and-future-in-understanding-the-health-risks-of-and-responses-to-climate-variability-and-change
#3
Kristie L Ebi, Jeremy J Hess
Climate change and health was established as a formal field of endeavor in the early 1990s, with the number of publications increasing since the mid-2000s. The key findings in assessment reports from the Intergovernmental Panel on Climate Change in 1995, 2001, 2007, and 2014 indicate the progress in understanding the magnitude and pattern of the health risks of a changing climate. The assessments maintained a similar structure, focusing on assessing the state of knowledge of individual climate-sensitive health outcomes, with confidence in the key findings tending to increase over time with greater understanding...
July 21, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28732533/spatial-and-temporal-patterns-of-diarrhoea-in-bhutan-2003-2013
#4
Kinley Wangdi, Archie Ca Clements
BACKGROUND: To describe spatiotemporal patterns of diarrhoea in Bhutan, and quantify the association between climatic factors and the distribution and dynamics of the disease. METHODS: Nationwide data on diarrhoea were obtained for 2003 to 2013 from the Health Information and Management System (HIMS), Ministry of Health, Bhutan. Climatic variables were obtained from the Department of Hydro Met Services, Ministry of Economic Affairs, Bhutan. Seasonal trend decomposition was used to examine secular trends and seasonal patterns of diarrhoea...
July 21, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28732402/characteristics-of-black-carbon-in-snow-from-laohugou-no-12-glacier-on-the-northern-tibetan-plateau
#5
Yulan Zhang, Shichang Kang, Chaoliu Li, Tanguang Gao, Zhiyuan Cong, Michael Sprenger, Yajun Liu, Xiaofei Li, Junming Guo, Mika Sillanpää, Kun Wang, Jizu Chen, Yang Li, Shiwei Sun
Black carbon (BC) emitted from the incomplete combustion of biomass and fossil fuel impacts the climate system, cryospheric change, and human health. This study documents black carbon deposition in snow from a benchmark glacier on the northern Tibetan Plateau. Significant seasonality of BC concentrations indicates different input or post-depositional processes. BC particles deposited in snow had a mass volume median diameter slightly larger than that of black carbon particles typically found in the atmosphere...
July 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28726752/health-impacts-of-climate-change-induced-subzero-temperature-fires
#6
Maria-Monika Metallinou, Torgrim Log
General fire risk and the special risk related to cold climate cellulosic drying processes are outlined. Four recent subzero temperatures fires are studied with respect to health impacts: a wooden village fire, a single wood structure fire, a wildland urban interface (WUI) fire and a huge wildland fire. The health impacts range from stress related to loss of jobs, psychological effects of lost possessions, exposure to smoke and heat as well as immediate, or delayed, loss of lives. These four fires resulted in 32 fatalities, 385 persons hospitalized for shorter or longer periods, 104 structures lost and 1015 km² of wildland burned north of, and just south of, the Arctic Circle...
July 20, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28720730/drought-stress-results-in-a-compartment-specific-restructuring-of-the-rice-root-associated-microbiomes
#7
Christian Santos-Medellín, Joseph Edwards, Zachary Liechty, Bao Nguyen, Venkatesan Sundaresan
Plant roots support complex microbial communities that can influence plant growth, nutrition, and health. While extensive characterizations of the composition and spatial compartmentalization of these communities have been performed in different plant species, there is relatively little known about the impact of abiotic stresses on the root microbiota. Here, we have used rice as a model to explore the responses of root microbiomes to drought stress. Using four distinct genotypes, grown in soils from three different fields, we tracked the drought-induced changes in microbial composition in the rhizosphere (the soil immediately surrounding the root), the endosphere (the root interior), and unplanted soils...
July 18, 2017: MBio
https://www.readbyqxmd.com/read/28719297/rickettsia-australis-and-queensland-tick-typhus-a-rickettsial-spotted-fever-group-infection-in-australia
#8
Adam Stewart, Mark Armstrong, Stephen Graves, Krispin Hajkowicz
Rickettsia australis, the etiologic agent of Queensland tick typhus (QTT), is increasingly being recognized as a cause of community-acquired acute febrile illness in eastern Australia. Changing human population demographics, climate change, and increased understanding of expanding vector distribution indicate QTT is an emerging public health threat. This review summarizes the epidemiology, pathogenesis, clinical features, treatment principles, and future directions of this disease. Increased recognition of QTT will enable consideration of and prompt treatment of R...
July 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28717366/interrelationship-between-climatic-ecologic-social-and-cultural-determinants-affecting-dengue-emergence-and-transmission-in-puerto-rico-and-their-implications-for-zika-response
#9
REVIEW
Angela Matysiak, Amira Roess
OBJECTIVE: The global resurgence of dengue has been attributed to rapid population growth, urban expansion, increased air travel, globalization, and climate change. Dengue is now endemic in Puerto Rico. Puerto Rico is at risk for Zika, another emerging arbovirus. The interrelationship between climatic, ecological, social, and cultural factors that affect dengue and other arboviruses' transmission is understudied. DESIGN: The objective of this systematic review is to examine the interrelationship between climatic, ecological, social, and cultural factors on dengue transmission in Puerto Rico and to draw lessons for Zika response...
2017: Journal of Tropical Medicine
https://www.readbyqxmd.com/read/28717138/airborne-bacterial-communities-in-three-east-asian-cities-of-china-south-korea-and-japan
#10
Jae Young Lee, Eun Ha Park, Sunghee Lee, GwangPyo Ko, Yasushi Honda, Masahiro Hashizume, Furong Deng, Seung-Muk Yi, Ho Kim
The global diversity of airborne bacteria has not yet been studied, despite its importance in human health and climate change. Here, we focused on the diversity of airborne bacteria and their correlations with meteorological/environmental conditions in China, South Korea, and Japan. Beijing (China) had more diverse airborne bacteria, followed by Seoul (South Korea) and Nagasaki (Japan), and seasonal variations were observed. Beijing and Seoul had more diverse airborne bacteria during the winter, whereas Nagasaki showed greater diversity during the summer...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28716067/molecular-characterization-of-group-a-rotaviruses-in-mukuru-slums-kenya-detection-of-novel-strains-circulating-in-children-below-5%C3%A2-years-of-age
#11
Joshua Ndung'u Gikonyo, James Nyangao, Cecilia Mbae, Carlene Sang, Eliud Njagi, Joseph Ngeranwa, Mathew Esona, Mapaseka L Seheri, Grace W Gitau, Kedra Raini, Samuel Kariuki
BACKGROUND: Gastroenteritis is a public health concern due to high morbidity and mortality among children. Rotaviruses are the leading etiological agents of severe gastroenteritis in children and accounts for more than half a million deaths per year in Africa. The study aimed at investigating the rotavirus genotypes that were circulating in children aged 5 years and below in and around Mukuru slums in Nairobi County Kenya. METHODS: A purposive cross sectional sampling method was applied where 166 samples were collected from children below 5 years of age and taken to Kenya Medical Research Institute virology laboratory...
July 17, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28712086/pilot-study-investigating-ambient-air-toxics-emissions-near-a-canadian-kraft-pulp-and-paper-facility-in-pictou-county-nova-scotia
#12
Emma Hoffman, Judith R Guernsey, Tony R Walker, Jong Sung Kim, Kate Sherren, Pantelis Andreou
Air toxics are airborne pollutants known or suspected to cause cancer or other serious health effects, including certain volatile organic compounds (VOCs), prioritized by the US Environmental Protection Agency (EPA). While several EPA-designated air toxics are monitored at a subset of Canadian National Air Pollution Surveillance (NAPS) sites, Canada has no specific "air toxics" control priorities. Although pulp and paper (P&P) mills are major industrial emitters of air pollutants, few studies quantified the spectrum of air quality exposures...
July 15, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28709106/microcosms-for-evaluating-microbial-indicator-persistence-and-mobilization-in-fluvial-sediments-during-rainfall-events
#13
Julia Martín-Díaz, Cristina García-Aljaro, Míriam Pascual-Benito, Belén Galofré, Anicet R Blanch, Francisco Lucena
Mediterranean rivers, which are subject to long, dry periods and heavy rainfall events, could be particularly useful for understanding future climate scenarios. This study generated microcosms that mimicked riverbank sediment resuspension into the water of a typical Mediterranean river as a consequence of heavy rainfall. The mobilization and inactivation of six fecal pollution indicators and microbial source tracking markers were evaluated. The T90 values in the sediments were: 4 days for sorbitol-fermenting Bifidobacterium, 11 days for culturable E...
July 9, 2017: Water Research
https://www.readbyqxmd.com/read/28702627/clean-air-in-the-anthropocene
#14
Jos Lelieveld
In atmospheric chemistry, interactions between air pollution, the biosphere and human health, often through reaction mixtures from both natural and anthropogenic sources, are of growing interest. Massive pollution emissions in the Anthropocene have transformed atmospheric composition to the extent that biogeochemical cycles, air quality and climate have changed globally and partly profoundly. It is estimated that mortality attributable to outdoor air pollution amounts to 4.33 million individuals per year, associated with 123 million years of life lost...
July 12, 2017: Faraday Discussions
https://www.readbyqxmd.com/read/28700609/organic-farming-enhances-soil-microbial-abundance-and-activity-a-meta-analysis-and-meta-regression
#15
Martina Lori, Sarah Symnaczik, Paul Mäder, Gerlinde De Deyn, Andreas Gattinger
Population growth and climate change challenge our food and farming systems and provide arguments for an increased intensification of agriculture. A promising option is eco-functional intensification through organic farming, an approach based on using and enhancing internal natural resources and processes to secure and improve agricultural productivity, while minimizing negative environmental impacts. In this concept an active soil microbiota plays an important role for various soil based ecosystem services such as nutrient cycling, erosion control and pest and disease regulation...
2017: PloS One
https://www.readbyqxmd.com/read/28695487/the-urban-heat-island-implications-for-health-in-a-changing-environment
#16
REVIEW
Clare Heaviside, Helen Macintyre, Sotiris Vardoulakis
PURPOSE OF REVIEW: The Urban Heat Island (UHI) is a well-studied phenomenon, whereby urban areas are generally warmer than surrounding suburban and rural areas. The most direct effect on health from the UHI is due to heat risk, which is exacerbated in urban areas, particularly during heat waves. However, there may be health benefits from warming during colder months. This review highlights recent attempts to quantitatively estimate the health impacts of the UHI and estimations of the health benefits of UHI mitigation measures...
July 10, 2017: Current Environmental Health Reports
https://www.readbyqxmd.com/read/28693674/the-imperative-for-regenerative-agriculture
#17
Christopher J Rhodes
A review is made of the current state of agriculture, emphasising issues of soil erosion and dependence on fossil fuels, in regard to achieving food security for a relentlessly enlarging global population. Soil has been described as "the fragile, living skin of the Earth", and yet both its aliveness and fragility have all too often been ignored in the expansion of agriculture across the face of the globe. Since it is a pivotal component in a global nexus of soil-water-air-energy, how we treat the soil can impact massively on climate change - with either beneficial or detrimental consequences, depending on whether the soil is preserved or degraded...
March 1, 2017: Science Progress
https://www.readbyqxmd.com/read/28693357/effect-of-acute-ambient-temperature-exposure-on-cardio-pulmonary-and-respiratory-kinetics-in-men
#18
U Drescher, J Koschate, U Hoffmann, S Schneider, A Werner
PURPOSE: The goal of the study was to compare the kinetics responses of heart rate (HR) and pulmonary (V'O2pulm) and muscular (V'O2musc) oxygen uptake during dynamic leg exercise across different acute ambient temperature conditions in a climatic chamber. METHODS: Thirteen physically healthy, active male volunteers performed pseudo-random binary sequence (PRBS) work rate (WR) changes between 30 W and 80 W at 15°C, 25°C and 35°C, respectively. HR was measured beat-to-beat by echocardiogram and V'O2pulm by breath-by-breath gas exchange, and V'O2musc estimations were assessed by applying a circulatory model and cross-correlation functions based on the approach of Hoffmann et al...
July 10, 2017: International Journal of Hyperthermia
https://www.readbyqxmd.com/read/28692834/using-national-ambient-air-quality-standards-for-fine-particulate-matter-to-assess-regional-wildland-fire-smoke-and-air-quality-management
#19
Don Schweizer, Ricardo Cisneros, Samuel Traina, Teamrat A Ghezzehei, Glenn Shaw
Wildland fire is an important ecological process in the California Sierra Nevada. Personal accounts from pre-20th century describe a much smokier environment than present day. The policy of suppression beginning in the early 20th century and climate change are contributing to increased megafires. We use a single particulate monitoring site at the wildland urban interface to explore impacts from prescribed, managed, and full suppression wildland fires from 2006 to 2015 producing a contextual assessment of smoke impacts over time at the landscape level...
July 7, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28689035/causative-impact-of-air-pollution-on-evapotranspiration-in-the-north-china-plain
#20
Ling Yao
Atmospheric dispersion conditions strongly impact air pollution under identical surface emissions. The degree of air pollution in the Jing-Jin-Ji region is so severe that it may impose feedback on local climate. Reference evapotranspiration (ET0) plays a significant role in the estimation of crop water requirements, as well as in studies on climate variation and change. Since the traditional correlation analysis cannot capture the causality, we apply the convergent cross mapping method (CCM) in this study to observationally investigate whether the air pollution impacts ET0...
July 6, 2017: Environmental Research
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