Cost-efficient one-part alkali-activated mortars with low global warming potential for floor heating systems applications

Increasing building energy efficiency is one the most cost-effective ways to reduce emissions. The use of thermal insulation materials mitigates heat loss in buildings, therefore minimising heat energy needs. In recent years, several papers were published on the subject of foam alkali-activated cements with enhanced thermal conductivity. However, on those papers cost analysis was strangely avoided. This paper presents experimental results on one-part alkali-activated cements. It also includes global warming potential assessment and cost analysis. Foam one-part alkali-activated cements cost simulations considering two carbon dioxide social costs scenarios are also included. The results show that one-part alkali-activated cements mixtures based on 26%OPC + 58.3%FA + 8%CS + 7.7%CH and 3.5% hydrogen peroxide constitute a promising cost-efficient (67 euro/m3), thermal insulation solution for floor heating systems. This mixture presents a low global warming potential of 443 KgCO2eq/m3. The results confirm that in both carbon dioxide social cost scenarios the mixture 26 OPC + 58.3 FA + 8 CS + 7.7 CH with 3.5% hydrogen peroxide foaming agent is still the most cost efficient

The nature and extent of healthy architecture: the current state of progress

© 2019, Emerald Publishing Limited. Purpose: The design of the built environment is a determinant of health. Accordingly, there is an increasing need for greater harmonization of the architectural profession and public health. However, there is a lack of knowledge on whether designers of the built environment are changing their practices to deliver healthier urban habitats. The paper aims to discuss these issues. Design/methodology/approach: The research uses a multi-method approach to data analysis, including: systematic mapping study, structured review and thematic analysis. Findings: The research finds that there are almost no requirements for the compulsory inclusion of health across institutions and agencies that have the power to execute and mandate the scope of architectural profession, training, education, practice or knowledge. Despite the urgent need for action and the myriad entreatments for greater integration between architecture and health, there is very little evidence progress. Practical implications: The research has implications for the architectural profession and architectural education. Health and well-being is not currently an integral part of the educational or professional training requirements for architects. University educational curriculum and Continuing Professional Development criteria need to better integrate health and well-being into their knowledge-base. Social implications: The design of the built environment is currently undertaken by an architectural profession that lacks specialized knowledge of health and well-being. There is a risk to society of environments that fail to adequately protect and promote the health and well-being of its inhabitants. Originality/value: The research evidences, for the first time, the lack of integration of “health and wellbeing” within the architecture profession training or education systems

Effects of global financial crisis on funding for health development in nineteen countries of the WHO African Region

<p>Abstract</p> <p>Background</p> <p>There is ample evidence in Asia and Latin America showing that past economic crises resulted in cuts in expenditures on health, lower utilization of health services, and deterioration of child and maternal nutrition and health outcomes. Evidence on the impact of past economic crises on health sector in Africa is lacking. The objectives of this article are to present the findings of a quick survey conducted among countries of the WHO African Region to monitor the effects of global financial crisis on funding for health development; and to discuss the way forward.</p> <p>Methods</p> <p>This is a descriptive study. A questionnaire was prepared and sent by email to all the 46 Member States in the WHO African Region through the WHO Country Office for facilitation and follow up. The questionnaires were completed by directors of policy and planning in ministries of health. The data were entered and analyzed in Excel spreadsheet. The main limitations of this study were that authors did not ask whether other relevant sectors were consulted in the process of completing the survey questionnaire; and that the overall response rate was low.</p> <p>Results</p> <p>The main findings were as follows: the response rate was 41.3% (19/46 countries); 36.8% (7/19) indicated they had been notified by the Ministry of Finance that the budget for health would be cut; 15.8% (3/19) had been notified by partners of their intention to cut health funding; 61.1% (11/18) indicated that the prices of medicines had increased recently; 83.3% (15/18) indicated that the prices of basic food stuffs had increased recently; 38.8% (7/18) indicated that their local currency had been devalued against the US dollar; 47.1% (8/17) affirmed that the levels of unemployment had increased since the onset of global financial crisis; and 64.7% (11/17) indicated that the ministry of health had taken some measures already, either in reaction to the global financing crisis, or in anticipation.</p> <p>Conclusion</p> <p>A rapid assessment, like the one reported in this article, of the effects of the global financial crisis on a few variables, is important to alert the Ministry of Health on the looming danger of cuts in health funding from domestic and external sources. However, it is even more important for national governments to monitor the effects of the economic crisis and the policy responses on the social determinants of health, health inputs, health system outputs and health system outcomes, e.g. health.</p

Scientific Opinion on Exploring options for providing advice about possible human health risks based on the concept of Threshold of Toxicological Concern (TTC)

&lt;p&gt;Synthetic and naturally occurring substances present in food and feed, together with their possible breakdown or reaction products, represent a large number of substances, many of which require risk assessment. EFSA’s Scientific Committee was requested to evaluate the threshold of toxicological concern (TTC) approach as a tool for providing scientific advice about possible human health risks from low level exposures, its applicability to EFSA’s work, and to advise on any additional data that might be needed to strengthen the underlying basis of the TTC approach. The Scientific Committee examined the published literature on the TTC approach, undertook its own analyses and commissioned an &lt;em&gt;in silico &lt;/em&gt;investigation of the databases underpinning the TTC approach. The Scientific Committee concluded that the TTC approach can be recommended as a useful screening tool either for priority setting or for deciding whether exposure to a substance is so low that the probability of adverse health effects is low and that no further data are necessary. The following human exposure threshold values are sufficiently conservative to be used in EFSA’s work; 0.15 μg/person per day for substances with a structural alert for genotoxicity, 18 μg/person per day for organophosphate and carbamate substances with anti-cholinesterase activity, 90 μg/person per day for Cramer Class III and Cramer Class II substances, and 1800 μg/person per day for Cramer Class I substances, but for application to all groups in the population, these values should be expressed in terms of body weight, i.e. 0.0025, 0.3, 1.5 and 30 μg/kg body weight per day, respectively. Use of the TTC approach for infants under the age of 6 months, with immature metabolic and excretory systems, should be considered on a case-by-case basis. The Committee defined a number of exclusion categories of substances for which the TTC approach would not be used.&lt;/p&gt

Global poverty and the new bottom billion: what if three-quarters of the world's poor live in middle-income countries?

This paper argues that the global poverty problem has changed because most of the world’s poor no longer live in low income countries (LICs). Previously, poverty was viewed as an LIC issue predominantly; nowadays such simplistic assumptions/ classifications are misleading because some large countries that graduated into the MIC category still have large numbers of poor people. In 1990, we estimate 93 per cent of the world’s poor lived in LICs; contrastingly in 2007–8 three quarters of the world’s poor approximately 1.3bn lived in middle-income countries (MICs) and about a quarter of the world’s poor, approximately 370mn people live in the remaining 39 low-income countries – largely in sub-Saharan Africa. This startling change over two decades implies a new ‘bottom billion’ who do not live in fragile and conflict-affected states, but in stable, middle-income countries. Such global patterns are evident across monetary, nutritional and multi-dimensional poverty measures. This paper argues the general pattern is robust enough to warrant further investigation and discussion

Acute toxicity studies of the South African medicinal plant Galenia africana

Background: Medicinal plants are used by a large proportion of the global population as complementary and alternative medicines. However, little is known about their toxicity. G. africana has been used to treat wounds, coughs and skin diseases and is used in cosmetic formulations such as lotions and shampoos. Methods: The acute oral and dermal toxicity potential of G. africana was analyzed after a single administration of 300 and 2000 mg/kgbw for acute oral toxicity and 2000 mg/kgbw for acute dermal toxicity. Female Sprague- Dawley rats were used for the acute oral toxicity study whereas both male and female Sprague-Dawley rats were used for the acute dermal toxicity study. In the Episkin skin irritation test, the irritation potential of G. africana (concentrate) and G. africana (in-use dilution) extracts were assessed using the Episkin reconstituted human epidermis. In the dermal sensitization study, female CBA/Ca mice were treated with G. africana concentrations of 50, 100 and 200 mg/ml respectively. The vehicle of choice was dimethylformamide which acted as a control. Results: The results of the acute oral and dermal toxicity studies revealed that the median lethal dosage (LD50) for G. africana extract in Sprague-Dawley rats was considered to exceed 2000 mg/kgbw. In the irritation test, the G. africana (concentrate) and G. africana (in-use dilution) extracts were non-irritant on the Episkin reconstituted human epidermis. In the dermal sensitization study, the stimulation index (SI) values for the mice treated with the G. africana extract at concentrations of 50, 100 and 200 mg/ml/kgbw, when compared to the control group, were 1.3, 0.9 and 1.3 respectively. The open application of the extract at the various concentrations did not result in a SI of ≥ 3 in any group. Hence, it did not elicit a hypersensitivity response. Conclusion: These findings demonstrate that the acute toxicity profile for G. africana is acceptable and can subsequently be used for single use in the pharmaceutical and cosmetic industries

Using data envelopment analysis to address the challenges of comparing health system efficiency

Efficiency is one of the most potent measures of health system performance and is of particular interest to policy makers because it seeks to assess the valued outcomes of a health system in relation to the resources that are sacrificed to achieve those outcomes. However, the production process of the health care system is a complex sequence, and most indicators are only able to capture part of that process; these indicators offer limited scope for analysis. While researchers have previously constructed composite indicators which combine partial measures into a single number, the weights used for aggregating data can be contentious and may not be universally applicable across systems. Data envelopment analysis (DEA) is most often used to compare the productivity of different producing entities, including health systems. In this article, we instead propose a method that relies on DEA to construct composite health system efficiency indicators from several partial efficiency measures. Among other noted benefits, this enables the construction of composite indicators where different weights are attached to partial indicators for each country, allowing countries to be viewed according to the weights that cast each in the best light. Our application of this method suggests that there is reasonable consistency among the countries that are found to be efficient

A new version of the HBSC Family Affluence Scale - FAS III: Scottish qualitative findings from the International FAS Development Study

A critical review of the Family Affluence Scale (FAS) concluded that FAS II was no longer discriminatory within very rich or very poor countries, where a very high or a very low proportion of children were categorised as high FAS or low FAS respectively (Currie et al. 2008). The review concluded that a new version of FAS - FAS III - should be developed to take into account current trends in family consumption patterns across the European region, the US and Canada. In 2012, the FAS Development and Validation Study was conducted in eight countries - Denmark, Greenland, Italy, Norway, Poland, Romania, Slovakia and Scotland. This paper describes the Scottish qualitative findings from this study. The Scottish qualitative fieldwork comprising cognitive interviews and focus groups sampled from 11, 13 and 15 year-old participants from 18 of the most- and least- economically deprived schools. These qualitative results were used to inform the final FAS III recommendations.Publisher PDFPeer reviewe

Progressing Gender Equality Post?2015: Harnessing the Multiplier Effects of Existing Achievements

This article argues that international efforts to progress gender equality now and post?2015 need to build on the achievements of the MDGs and other international frameworks, but simultaneously address the gender dynamics that underpin the root causes of poverty. The first half of the article seeks to unpack the ways in which gender inequalities underpin five clusters of MDGs: poverty and sustainable development; service access; care and caregiving; voice and agency; international partnerships and accountability. The analysis then turns to highlight the importance of harnessing the momentum from other global initiatives such as CEDAW (Convention on the Elimination of All Forms of Discrimination against Women) and the Beijing Platform for Action to promote more fundamental change including: the establishment of a more powerful UN agency to champion gender equality; the institutionalisation of gender budgeting and gender?responsive aid effectiveness approaches; and the promotion of gender?sensitive social protection to tackle gender?specific experiences of poverty and vulnerability

Taking the MDGs Beyond 2015: Hasten Slowly

The authors advise to hasten slowly in defining the successor framework to the MDGs. The review of progress in 2010 should not be intermingled with the intergovernmental discussions about the post?2015 framework. The latter should not start until a UN panel of Eminent Persons has prepared a set of thoughtful options and suggestions. The worst decision would be to keep the same MDGs and add new Goals and more Targets. The panel will have to address the following topics: (a) new structure; (b) new Targets; (c) collective nature of global Targets; (d) type of benchmarks; (e) new time horizon; and (f) disaggregated monitoring. The world will miss the MDGs largely because disparities within the majority of countries have grown to the point of slowing down national progress. In order to overcome the ‘tyranny of averages’, this article proposes a method of incorporating equity in national statistics