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Eshetu Gelan
Department of Architecture, School of Civil Engineering and Architecture, Adama Science and Technology University (ASTU), Adama 1888, Ethiopia

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Journal article
Published: 15 July 2021 in Urban Science
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Indoor thermal comfort is an essential aspect of sustainable architecture and it is critical in maintaining a safe indoor environment. Expectations, acceptability, and preferences of traditional and modern buildings are different in terms of thermal comfort. This study, therefore, attempts to evaluate the indoor thermal comforts of modern and traditional buildings and identify the contributing factors that impede or facilitate indoor thermal comfort in Semera city, Ethiopia. This study employed subjective and objective measurements. The subjective measurement is based on the ASHRAE seven-point thermal sensation scale. An adaptive comfort model was employed according to the ASHRAE standard to evaluate indoor thermal comfort. The results revealed that with regards to thermal sensational votes between −1 and +1, 88% of the respondents are satisfied with the indoor environment in traditional houses, while in modern houses this figure is 22%. Likewise, 83% of occupants in traditional houses expressed a preference for their homes to remain the same or be only slightly cooler or warmer. Traditional houses were, on average, in compliance with the 80% acceptability band of the adaptive comfort standard. The study investigated that traditional building techniques and materials, in combination with consideration of microclimate, were found to play a significant role in regulating the indoor environment.

ACS Style

Haven Hailu; Eshetu Gelan; Yared Girma. Indoor Thermal Comfort Analysis: A Case Study of Modern and Traditional Buildings in Hot-Arid Climatic Region of Ethiopia. Urban Science 2021, 5, 53 .

AMA Style

Haven Hailu, Eshetu Gelan, Yared Girma. Indoor Thermal Comfort Analysis: A Case Study of Modern and Traditional Buildings in Hot-Arid Climatic Region of Ethiopia. Urban Science. 2021; 5 (3):53.

Chicago/Turabian Style

Haven Hailu; Eshetu Gelan; Yared Girma. 2021. "Indoor Thermal Comfort Analysis: A Case Study of Modern and Traditional Buildings in Hot-Arid Climatic Region of Ethiopia." Urban Science 5, no. 3: 53.

Journal article
Published: 11 July 2021 in Technologies
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Solid waste is one of the social and environmental challenges that urban areas are facing. The study assesses the state of solid waste in Addis Ababa during 2016–2020 to provide implications for achieving green architecture concepts through better management of solid waste and its economic contribution. The study uses secondary and primary data. Quantitative and qualitative data are analyzed through descriptive statistics and context analysis, respectively. The result reveals that most solid waste is generated from households, followed by commercial centers, street sweeping, industries/factories, hotels, and hospitals, respectively. From 2016 to 2020, an average of 80.28% of solid waste is collected, whereas 19.72% of the waste is not collected. There are little or no efforts made to segregate solid waste at the source. The generated waste is disposed of in the Reppi open landfill. Together with Ethiopian electric power (EEP) and the City Government of Addis Ababa, waste has been converted to energy since 2019. The study suggests minimizing waste from its source by reducing generation, composting, reusing, recycling, waste-to-energy strategy, and well-designed buildings to achieve the concept of green architecture in Addis Ababa through better solid waste management.

ACS Style

Eshetu Gelan. Municipal Solid Waste Management Practices for Achieving Green Architecture Concepts in Addis Ababa, Ethiopia. Technologies 2021, 9, 48 .

AMA Style

Eshetu Gelan. Municipal Solid Waste Management Practices for Achieving Green Architecture Concepts in Addis Ababa, Ethiopia. Technologies. 2021; 9 (3):48.

Chicago/Turabian Style

Eshetu Gelan. 2021. "Municipal Solid Waste Management Practices for Achieving Green Architecture Concepts in Addis Ababa, Ethiopia." Technologies 9, no. 3: 48.

Article
Published: 22 March 2021 in GeoJournal
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Rapid urban expansion across the globe has created enormous problems on human wellbeing and the environment. In this regard, urban green infrastructure has played a major role in improving the quality of life and is perceived as one of the vital instruments for attaining sustainable development goals. Yet, the issue of access to green spaces is one of the crucial aspects of sustainable urban development and has got considerable attention in the global north, although relatively little is known in the global south. Therefore, the purpose of this study is to evaluate the accessibility of green spaces and the factors that enhance or inhibit their accessibility in urban centers of Ethiopia in reference to the emerging towns of Oromia's special zone surrounding Finfinne. This study used network analysis, backed by interviews and observation. Results show that the average green space per capita in the towns of Sululta, Sebeta, and Legetafo is 2.66 m2, 0.9 m2, and 2.17 m2, respectively. Findings also showed that 84.7%, 64.6%, and 60.4% of the inhabitants of Sululta, Sebeta, and Legetafo, respectively, have no access to green spaces from their residences within a walking distance of 300–1000 m. The key factors that hinder its accessibility are rapid urban expansion and population growth, violation of the plan, and institutional failure. The study suggests enhancing the percentage, coverage and per capita of green spaces, controlling land-use violations, and prioritizing it as one of the key government agendas in order to achieve the eleventh goal of the 2030 Sustainable Development Agenda.

ACS Style

Eshetu Gelan; Yared Girma. Urban green infrastructure accessibility for the achievement of SDG 11 in rapidly urbanizing cities of Ethiopia. GeoJournal 2021, 1 -20.

AMA Style

Eshetu Gelan, Yared Girma. Urban green infrastructure accessibility for the achievement of SDG 11 in rapidly urbanizing cities of Ethiopia. GeoJournal. 2021; ():1-20.

Chicago/Turabian Style

Eshetu Gelan; Yared Girma. 2021. "Urban green infrastructure accessibility for the achievement of SDG 11 in rapidly urbanizing cities of Ethiopia." GeoJournal , no. : 1-20.