Improving Solid Waste Management Strategies in urban centres, a call for urgent concern

Introduction Solid waste is any material which comes from domestic, industrial and commercial sources arising from human activities which have no value to people who possess it and is discarded as useless. Before, waste disposal did not pose difficulty as habitations were sparse and there was plenty of land. It became problematic with the rise … Read more

Problems of poor water supply and sanitation in uncontrolled residential developments in urban centres

Introduction Due to the rapid population growth and uncontrolled residential development witnessed in most developing countries, the global urban environment is seriously being degraded in terms of service delivery (UN-Water 2007). Water supply and sanitation are the public utilities that have been worst hit by this scenario. These facilities are necessary commodities in household and … Read more

Occupational Safety and Health Practices in Construction Projects: A Prerequisite for a Safe and Healthy Workplace

Introduction The construction industry is formed of establishments primarily engaged in the building of structures or engineering projects like highways and utility systems; establishments primarily engaged in the preparation of sites for new construction and establishments primarily engaged in sub-dividing land for sale as building sites are also included in this sector. The history of … Read more

Ecological and health implications of open pit artisanal gold mining

Introduction The definition of artisanal small scale mining varies from country to country. Variables like investment costs, mine output, labour productivity, and size of concessions, amount of resources, annual sales and levels of technology are used to define it. This research, however, defines artisanal small scale mining as an activity that encompasses small, medium, informal, … Read more

Environmental Health Implications of residential development on urban wetlands

Introduction Historically, the concept of urbanization has been related to specialized industrialization and consequent economic development. Urbanization is a territorial response to structural changes in the economy. Unregulated and unguided urbanization has its own problems as evidenced in the deteriorating environmental conditions of many large cities. Sustainable urban settlements have to be environmentally sound, economically … Read more

Environmental Health Implications of the Southern Bypass Road Construction through Ngong Forest on the African Crowned Eagle, Nairobi County

Introduction According to Norman Meyers in a study for Friends of Earth, 142,000 Km2 were cleared in 1989 and a further 200,000 Km2 severely degraded. He noted that forest loss has increased since 1979 by 90%, Brazil, Indonesia and Zaire (DRC) which had the highest percentage of natural tropical forests, accounted for half of that … Read more

Inadequacies of solid waste management among public, private and community based organisations and its impact on health

Introduction Solid waste is any material which comes from domestic, commercial, and industrial sources arising from human activities; which has no value to people who possess it and is discarded as useless. In the early days, waste disposal did not pose difficulty as habitations were sparse and land was plentiful. Waste disposal became problematic with … Read more

Management of industrial air pollution in industrial area

Introduction Concerns on air pollution caused by industries have been rising over time due to increased industrialization and the effects on the environment. Data from “Air pollution in Europe” (EEA, 1997) shows figures describing the respective production of pollutants by each sector of manufacturing. The EEA study indicated that air pollution is the presence of … Read more

Safeguarding sanitation in high population density Kibera Slums settlements: A public health emergency

Introduction According to Water Aid (2006), approximately 1.1 billion people in the world do not have access to safe water, and another 2.6 billion do not have access to adequate sanitation. In developing countries an estimated 2.2 million people, most of who are children, die annually due to diarrhoea linked to a lack of access … Read more

Socio- economic benefits and environmental impacts of superhighways

Introduction Development is seen as an important component in any country’s vision in the world, however it can have major impacts on the environment, social and economic life of the same countries. According to Schiefelbusch (2010) the environmental impact can be by degrading soils and waterways, altering landscape and destroying biodiversity and habitat. Other problems … Read more

Street Hawking and its Impacts on Urban Space

Introduction Most capital cities are fast undergoing rapid urbanization which has been associated with a number of development challenges. Key among these challenges is deterioration in urban environment and urban poverty (Macharia, 2013). Most capital cities in the world are expanding rapidly both in human population, buildings and infrastructure. These cities face many problems such … Read more

The Green Building Option: Exploring Environmentally Sustainable Building in Residential Building Designs

Introduction The issue about sustainable (green) building is becoming increasingly relevant globally, especially in the real estate sector. A 2013 McGraw-Hill Construction global report found that 51% of architects, engineers, contractors and consultants and building owners‟ surveyed in over 62 countries say it is likely more than 60% of their work will be “green” by … Read more

The Potential of Roof Catchment as a Flood Management Strategy

Introduction Among the natural phenomena, flood is one of the biggest destroying factors in developing countries which always bring numerous people’s life, property and assets to the hazard. The growing population, urban development and industrialization are the main factors that have undesirable consequences in the hydrology of watershed region in the cities. developing countries experience … Read more

Wastewater Management: A Case of Reducing Wastewater Release into the Environment in Urban Centres

Introduction Every person has a right to clean and healthy environment. A healthy environment is crucial to delivering Vision 2030, which is a long-term development blueprint. However, one of the greatest challenges of the twenty first century is the incessant of supply of clean drinking water for the millions of the living things all over … Read more

Difficulties Faced by Graduate Students in the Search for Information in Academic Libraries

Introduction Information is a resource that is naturally needed in all human endeavors and that is very crucial to the development of a nation, without which there would be no society. Thus, it is now commonly observed that the material prosperity of a nation is linked almost directly to its information wealth. The library is … Read more

Suspected female robber and her accomplice arrested for robbing POS operator in Kogi

The Kogi State Police Command has arrested two suspected robbers who specialise in robbing POS operatives. The suspects, Comfort David, 44, and Timothy James,38, both of Zaki-Biam, Benue State were arrested by operatives of the Intelligence Unit of the command. Spokesperson of the command, DSP William Ayah, who disclosed this in a statement on Friday, June 18, said … Read more

Improving Mothers’ knowledge, attitude and practices on Complementary feeding of Children 6 – 23 Months through Nutrition Education Videos

Introduction The triple burden malnutrition is presently persistent in developing countries and accelerated by poor quality of diets which children are fed (UNICEF, 2019) with under-nutrition being the major problem with 820 million people undernourished (FAO, 2019 and WFP, 2012). It confers negative consequences on individuals and Populations since it causes increased health costs, reduced … Read more

Lipidemia Status and Associated Factors among HIV Positive Persons on HAART

Introduction As global treatment efforts mature and more people receive life-long treatment for this chronic disease, progressively more patients who are already receiving HAART are switching to new programs for care, either to evaluate alternative programs, or to receive care closer to home. Thus, this group of patients is forming an increasing portion of the … Read more

Standard Units for Measurements in Electrical and Electronics Engineering

In the standard units of electrical measurement voltage is measured in volts (V) current in ampere (A) and resistance in Ohm (Ω). These units used in electrical measurement are referred to as the International (metric) System, also known as the SI System with other commonly used electrical units being derived from SI base units. It is however … Read more

Basic Electricity Law: Ohm’s Law

Ohm’s law states that at constant temperature, the current between two points of a conductor is directly proportional to the voltage (potential difference) across the two points. I α V Introducing the constant of proportionality, the resistance (R) we arrive at the mathematical equation that describes Ohm’s Law relationship as: Where: I = the current through the conductor in units of amperes … Read more