Worrying about climate change

The paper discusses the impact of climate change on ten sectors: water, water desalination, energy, renewable energy supply, health, society, agriculture, economy, industry, and built environment. Each of the sectors has unique characteristics that require special consideration. Planning for climate change adaptation is among the most complex challenges cities are facing today. Climatic alterations put a strain on 1) energy needs for cooling/heating and release of anthropogenic heat, 2) mortality and morbidity due to air pollution and air turbidity, 3) productivity and wellbeing, and 4) accessibility to public spaces and social prosperity. There are many innovate ideas and proposals suggested in order to minimize the impact of climate change, but no simple solution exists because of the interdependence and fast-moving technological solutions, and the role of the policy makers in setting targets and providing finance for solutions

Photovoltaic/thermal systems for carbon dioxide mitigation applications: a review

The urgent need to mitigate carbon dioxide (CO2) emissions and address climate change has led to increasing interest in renewable energy technologies. There are other promising energy generation systems, including photovoltaic/thermal (PV/T) systems. This paper provides a comprehensive review of PV/T systems for CO2 mitigation applications. PV/T systems are reviewed according to their principles, their design configurations, and their performance characteristics. Various types of PV/T systems, including flat-plate, concentrating, hybrid, and novel designs, are discussed, along with their advantages and limitations. In addition to examining PV/T systems as part of the integration of building systems with renewable energy sources and energy storage technologies. Furthermore, the environmental and economic aspects of PV/T systems, as well as their potential for CO2 mitigation in various applications such as residential, commercial, industrial, and agricultural sectors, are critically analyzed. Finally, future research directions and challenges in the field of PV/T systems for CO2 mitigation are outlined. The purpose of this review is to provide researchers, policymakers, and practitioners with information on how PV/T systems can be applied to reduce CO2 emissions and promote sustainable building design

Accelerating the transformation to a green university: University of Bahrain experience

Many universities are striving to have an environmental impact on the society as they are considered as small communities aiming to be eco-friendly and having low CO2 emission. This concept has been emerging after the worldwide concern on the ozone depletion issue and global warming. As a result, many titles have appeared like “Green Universities”, “eco- friendly Universities,” “Environmental sustainable Universities” and “Environmentally responsible universities,” etc. This paper proposes a mechanism that allows universities to go green or become environmentally sustainable higher education bodies in a short span of time. It simply advises the universities to best practice the Environmental Sustainable Development Goals (ESDG’s) Components incorporated in the seventeen United Nation Sustainable Developments Goals (SDG’s) that were announced on the 25 th September 2015 by all leaders of the countries which were aimed to end poverty, protect the planet and ensure prosperity for all as part of a new sustainable development agenda where each goal has specific targets to be achieved over the next 15 years. These ESDG’s listed within the SDG’s are the following: 1) Good Health and Well-being. 2) Quality Education. 3) Clean Water and Sanitation. 4) Affordable and Clean Energy. 5) Industry, Innovation and Infrastructure. 6) Sustainable Cities and Communities. 7) Climate Action. 8) Life below Water. 9) Life on Land. Therefore, incorporating such 9 Goals in the strategic planning of each worldwide university that has aligned its goals with the Country National Strategy - which by default includes these SDG’s - will accelerate and boost each university to transform to Green and Environmentally Sustainable campus. The paper also sheds light on the experience of University of Bahrain in this respect

Accelerating the transformation to a green university: University of Bahrain experience

Many universities are striving to have an environmental impact on the society as they are considered as small communities aiming to be eco-friendly and having low CO2 emission. This concept has been emerging after the worldwide concern on the ozone depletion issue and global warming. As a result, many titles have appeared like “Green Universities”, “eco- friendly Universities,” “Environmental sustainable Universities” and “Environmentally responsible universities,” etc. This paper proposes a mechanism that allows universities to go green or become environmentally sustainable higher education bodies in a short span of time. It simply advises the universities to best practice the Environmental Sustainable Development Goals (ESDG’s) Components incorporated in the seventeen United Nation Sustainable Developments Goals (SDG’s) that were announced on the 25 th September 2015 by all leaders of the countries which were aimed to end poverty, protect the planet and ensure prosperity for all as part of a new sustainable development agenda where each goal has specific targets to be achieved over the next 15 years. These ESDG’s listed within the SDG’s are the following: 1) Good Health and Well-being. 2) Quality Education. 3) Clean Water and Sanitation. 4) Affordable and Clean Energy. 5) Industry, Innovation and Infrastructure. 6) Sustainable Cities and Communities. 7) Climate Action. 8) Life below Water. 9) Life on Land. Therefore, incorporating such 9 Goals in the strategic planning of each worldwide university that has aligned its goals with the Country National Strategy - which by default includes these SDG’s - will accelerate and boost each university to transform to Green and Environmentally Sustainable campus. The paper also sheds light on the experience of University of Bahrain in this respect

Mathematical Prospective of Coronavirus Infections in Bahrain, Saudi Arabia and Egypt

In this paper, a mathematical prospective of Coronavirus Infections in Bahrain, Suaidi Arabia and Egypt is considered taking into account the development of the propagation of COVID 19 in Wuhan city, China. The model revealed that the number of actual cases of COVID - 19 in the Kingdom of Bahrain is less than expected by about 21.3 times that of the reported cases in the city of Wuhan, while in the Kingdom of Saudi Arabia it is 141.9 less and in Egypt is less than 808 times. This is may be attributed to several factors including ambient temperature, population density, absolute humidity, lifestyle, physical immunity (type of nutrition), accuracy of measurements and number of tests made and other reasons. Finally, we present the expected behavior of the Coronavirus during the forthcoming period

Causes, consequences, and treatments of induced degradation of solar PV: a comprehensive review

AbstractPhotovoltaic (PV) modules’ efficiency decreases due to the presence of external electrical potentials due to the phenomenon known as potential induced degradation (PID). Powerlines or other external sources can generate this potential, or solar cells themselves can generate it through their electric field. An electric field changes the internal electrical properties of a PV module, which can result in a 30% loss of efficiency. PID can be prevented by designing PV modules to be PID-resistant, or by designing the system to minimize the electric field. Materials such as insulating materials, coatings on PV modules, and shielding materials can achieve this. A literature review is presented here, which analyzes the proposed causes of degradation effects as well as the methodological approaches employed in the test. This article presents and compares studies conducted at the cell, microunit, and module level. Several possible preventive measures are also discussed to prevent PV modules from degrading. In addition, modern mechanisms and techniques for mitigating PID effects were reviewed and discussed. This review discusses the main results and analyzes the simulations adopted by the studies, in addition to providing information about the experiments carried out. For the development of solar technology and to increase its spread in the world, it is crucial to understand how photovoltaic cells degrade and to identify other challenges