Joan Nyika

Joan Nyika is a lecturer at the Technical University of Kenya and a postdoctoral research fellow at the University of Johannesburg. She holds a doctorate degree in Science, Engineering and Technology from the University of South Africa and MSc. in Land and Water Management from the University of Nairobi, Kenya. In her research work, she specializes in hydrobiogeochemistry and has published more than 40 journal articles and book chapters in the discipline. She is also involved in teaching, supervising and mentoring undergraduate and postgraduate students.

Publications

Government Response to Teaching and Learning Processes During and Post COVID-19 Pandemic in Kenya
Joan Nyika, Megersa Olumana Dinka. © 2024. 18 pages.
This chapter explains the interventions by the Kenyan government to cope with the effects of COVID-19 pandemic on the education sector. The responses are categorized as short-...
Biosorption Processes for Heavy Metal Removal in Aqueous Media
Joan Nyika, Megersa Olumana Dinka. © 2024. 18 pages.
Biosorption technique is a growing alternative to existent conventional treatment techniques used in heavy metal remediation and associated with the production of toxic sludge....
The Role of Solid Waste Management in Boosting Sustainable Development Goals
Joan Nyika, Megersa Olumana Dinka. © 2024. 16 pages.
The management of solid waste is a growing challenge with rising trends in industrialisation and population growth, and has become a public and environmental health concern. The...
Additive Manufacturing for Sustainable Use of Resources
Joan Nyika, Megersa Olumana Dinka. © 2024. 15 pages.
This chapter explored ways in which additive manufacturing can be incorporated to enable sustainable manufacturing. Findings showed that the technology has the capacity to enable...
Global Industrial Impacts of Heavy Metal Pollution in Sub-Saharan Africa
Joan Nyika, Megersa Olumana Dinka. © 2023. 406 pages.
Sub-Saharan Africa is facing a significant environmental challenge with heavy metal pollution in its soil, which threatens industrialization, agricultural productivity, and...
A Minireview of the Challenges and Opportunities of Virtual Learning Post-COVID-19 Era in Developing Countries
Joan Nyika, Megersa Olumana Dinka. © 2023. 15 pages.
The rapid spread of COVID-19 globally transformed the educational sector from the conventional face-to-face teaching to virtual learning to control the transmission of the virus....
Nanotechnology and Its Applications in Environmental Remediation
Joan Mwihaki Nyika. © 2022. 20 pages.
Decontamination of pollutants from soil, air, and water is a challenging quest in contemporary society due to the recalcitrant, bioaccumulative, and bio-resistant nature of such...
Understanding Water-Food-Energy Nexus in the Climate Change Era and the Roadmap to Implementation in South Africa
Joan Mwihaki Nyika. © 2022. 22 pages.
WFE nexus is an important aspect in building sustainable economies. Water is used in food production while water supply and food processing require energy. Understanding the...
Climate Change on Fertility and Reproductive Processes of Female Livestock
Joan Mwihaki Nyika. © 2022. 15 pages.
The effects of climate change continues to be a growing modern-day challenge. Climate change-induced heat stress disrupts reproductive and fertility systems in livestock. In...
Climate Change Situation in Kenya and Measures Towards Adaptive Management in the Water Sector
Joan Mwihaki Nyika. © 2022. 16 pages.
Climate change is a growing challenge to socio-economic development and sustainable environmental management worldwide. Developing countries with low adaptive capacity and high...
Sustainable Ecosystem Management: Challenges and Solutions
Joan Mwihaki Nyika. © 2022. 17 pages.
Ecosystems are part of human wellbeing and their sustainable management is essential for the survival of the human race and biodiversity. This chapter explores the concept of...
A Bibliometric Analysis on Efficient Use of Environmental Resources
Joan Nyika, Megersa Olumana Dinka. © 2022. 21 pages.
The relevance of sustainability in contemporary society is on a growing trend owing to the predominance of economic development and environmental conservation plans amidst...
Tolerance of Microorganisms to Heavy Metals
Joan Mwihaki Nyika. © 2021. 17 pages.
Heavy metal pollution is a growing environmental concern due to the increase in anthropogenic-based sources. Microorganisms have high adsorptive capacities and...
The Use of Microorganism-Derived Enzymes for Bioremediation of Soil Pollutants
Joan Mwihaki Nyika. © 2021. 18 pages.
Contamination of soils by xenobiotic compounds is a growing concern for environmentalists amidst the rise of anthropogenic activities that encourage such contamination practices....
Sustainable Ecosystem Management: Challenges and Solutions
Joan Mwihaki Nyika. © 2021. 22 pages.
Ecosystems are part of human wellbeing and their sustainable management is essential for the survival of the human race and biodiversity. This chapter explores the concept of...
Understanding Water-Food-Energy Nexus in the Climate Change Era and the Roadmap to Implementation in South Africa
Joan Mwihaki Nyika. © 2021. 28 pages.
WFE nexus is an important aspect in building sustainable economies. Water is used in food production while water supply and food processing require energy. Understanding the...
Tourism as a Tool for Poverty Eradication in Kenya
Joan Mwihaki Nyika. © 2021. 19 pages.
Tourism is widely recognised as a tool for poverty alleviation following its ability to create employment, entrepreneurial opportunities, and impact societies' social...
Green Energy Technologies as the Road Map to Sustainable Economic Growth in Kenya
Joan Mwihaki Nyika. © 2021. 18 pages.
Kenya, just like other developing countries of the world, is energy deficient. Power supply is characterized by flaws including inaccessibility by marginalized rural communities...
Conceptualizing Student Engagement and Its Role in Meaningful Learning and Teaching Experiences
Joan Mwihaki Nyika, Fredrick Madaraka Mwema. © 2021. 16 pages.
Student engagement is a crucial aspect of learning as it promotes understanding, enables learners to become responsible community members, and plays a crucial role in curriculum...
A Review on Solid Waste Management Using the DPSIR Framework in a Southern Africa Case Study
Joan Mwihaki Nyika, Ednah Kwamboka Onyari. © 2021. 22 pages.
This chapter uses the DPSIR framework to examine logistical, infrastructural, and operational challenges in SA's SWM system using Buffalo City Municipality as case study....
The Plastic Waste Menace and Approaches to Its Management Through Biodegradation
Joan Mwihaki Nyika. © 2021. 18 pages.
In contemporary society, the production and use of plastics is growing due to their assorted applications. However, these tendencies result to production of plastic waste whose...
Nanotechnology and Its Applications in Environmental Remediation
Joan Mwihaki Nyika. © 2021. 20 pages.
Decontamination of pollutants from soil, air, and water is a challenging quest in contemporary society due to the recalcitrant, bioaccumulative, and bio-resistant nature of such...
Climate Change on Fertility and Reproductive Processes of Female Livestock
Joan Mwihaki Nyika. © 2021. 15 pages.
The effects of climate change continues to be a growing modern-day challenge. Climate change-induced heat stress disrupts reproductive and fertility systems in livestock. In...
Environmental Education and Its Effects on Environmental Sustainability
Joan Mwihaki Nyika, Fredrick M. Mwema. © 2021. 18 pages.
Environmental education (EE) for sustainable development remains a valuable subject of contemporary society, which is characterized with environmental issues such as climate...
The Mirage and Reality of Special Education in Developing Countries
Joan Mwihaki Nyika, Fredrick Madaraka. © 2021. 17 pages.
The provision of education for all in an inclusive manner is spelt out in several international policies and in the sustainable and millennium development goals. The...
The Use of Micro-Algal Technologies for Soil and Agronomic Improvements
Joan Mwihaki Nyika. © 2021. 19 pages.
Microalgae are promising tools in improving soil fertility and agricultural production in the era of increased population and the need for food security, which is mostly hindered...
The Relationship Between Climate Change and Financial Stability
Joan Mwihaki Nyika. © 2021. 16 pages.
Climate change is the greatest challenge of the modern day with the capacity to destabilize global financial systems and socioeconomic welfare. This chapter explores the...
Waste Management in South Africa
Joan Mwihaki Nyika, Ednah Kwamboka Onyari, Shivani Mishra, Megersa Olumana Dinka. © 2020. 25 pages.
Solid waste management (SWM) is a challenge in developing countries such as the Republic of South Africa (RSA). This book chapter highlights the drivers and state of SWM in RSA...
Climate Change Situation in Kenya and Measures Towards Adaptive Management in the Water Sector
Joan Mwihaki Nyika. © 2020. 14 pages.
Climate change is a growing challenge to socio-economic development and sustainable environmental management worldwide. Developing countries with low adaptive capacity and high...