scholarly journals Waste Mismanagement in Developing Countries: A Review of Global Issues

Author(s):  
Navarro Ferronato ◽  
Vincenzo Torretta

Environmental contamination due to solid waste mismanagement is a global issue. Open dumping and open burning are the main implemented waste treatment and final disposal systems, mainly visible in low-income countries. This paper reviews the main impacts due to waste mismanagement in developing countries, focusing on environmental contamination and social issues. The activity of the informal sector in developing cities was also reviewed, focusing on the main health risks due to waste scavenging. Results reported that the environmental impacts are pervasive worldwide: marine litter, air, soil and water contamination, and the direct interaction of waste pickers with hazardous waste are the most important issues. Many reviews were published in the scientific literature about specific waste streams, in order to quantify its effect on the environment. This narrative literature review assessed global issues due to different waste fractions showing how several sources of pollution are affecting the environment, population health, and sustainable development. The results and case studies presented can be of reference for scholars and stakeholders for quantifying the comprehensive impacts and for planning integrated solid waste collection and treatment systems, for improving sustainability at a global level.

Author(s):  
Shalini Jaiswal Preeti Singh Bahadur and Manjari Jain

The integrated waste management method used to examine solid waste problems in different developing countries along with their solution. Integrated sustainable waste management includes examination of physical elements like assemblage, dumping, and reprocessing as well as government role like involvement of consumers and facility suppliers; financial stability; rational institutions supported by coherent guidelines. The data shows that the performance has enhanced considerably over past 10 years in different developing countries. The mean collection and disposal rate of disposal in the middle 95% are even more common than in the low-income cities, even before 50%. Recycling rates of 20–30% have been achieved by the informal sector in many low-income countries. The evidence suggests that efficient, effective, and inexpensive systems are compatible with local requirements and conditions, developed with the direct involvement of service recipients. Despite the remaining challenges, evidence from recent reforms suggests that sustainable solid waste and resource management are possible for developing countries. The articles distributed right now a wide scope of themes, including vitality recuperation from squander, waste to vitality advances, maintainable vitality frameworks, anaerobic absorption, warm circular segment plasma gasification, microalgal-based biorefinery, squander the board, displaying of cutting edge gasification frameworks, squander valorisation, and microbial power module innovation.


2019 ◽  
Vol 11 (24) ◽  
pp. 6977 ◽  
Author(s):  
Hans Breukelman ◽  
Harold Krikke ◽  
Ansje Löhr

The potential and scale of cities enable economic growth and the improvement of citizens’ access to jobs, education, healthcare, culture, public utilities and services. Solid waste management (SWM) is one of the key services provided by cities. Its operations are complex, very visible to the general public, and impacted by strong financial, societal, and political constraints. Performances in developing countries, however, are not positive. United Nations research shows urban collection services covering no more than 39% of the population in low-income countries. Why are many cities in developing countries not able to use their increasing wealth and scale for basic SWM services such as city cleaning, collection, and sustainable landfilling? This paper provides a review of literature on this question over the last decade. It shows that research is mostly on symptoms and has not led to a deeper diagnosis of causes. Lack of resources, infrastructure, awareness, and institutional strength are often pinpointed as causes but, in fact, they should be addressed as symptoms. These symptoms should be designated as dependent variables in a complex causal network with systemic feedbacks, hindering or neutralizing attempts to improve performances if not properly dealt with. Research should concentrate more on assessing the relations between urbanization, urban processes, and urban governance that shape the performance of urban solid waste management. System dynamics modeling may provide new approaches for this diagnosis.


Recycling ◽  
2021 ◽  
Vol 6 (1) ◽  
pp. 6 ◽  
Author(s):  
Justice Kofi Debrah ◽  
Diogo Guedes Vidal ◽  
Maria Alzira Pimenta Dinis

Solid Waste Management (SWM) is a multifaceted problem comprising political, socioeconomic, institutional, and environmental aspects. Due to exponential urban growth, it has become one of the most significant issues faced by urban spaces in developing countries. The gap in environmental knowledge among the youth and the old within developing countries contribute to ecological issues or waste management problems, resulting in unsustainable development, with important consequences in low-income countries. For that matter, a systematic review was conducted aiming to identify and analyse environmental knowledge, awareness, attitudes, and practice studies on SWM from 2010 to 2019 in developing countries. The evidence suggests that students at both secondary and tertiary levels have positive environmental attitudes, and high awareness of environmental issues, but there is a lack of practical education of teachers to guide students to put SWM into practice. Student’s low environmental knowledge is related to a deficiency in teachers’ practical experience in SWM for environmental sustainability. A relationship between teachers’ and students’ knowledge and attitudes towards SWM, as well as differences in awareness, attitude, and practices of SWM linked with education and age, were also found. This review also revealed that the lack of environmental education in most developing countries is caused by fragilities in practical environmental curricula of teachers to respond to modern-day environmental issues for sustainable development and cleaner production (CP). To bridge the knowledge gap between the youth and older people in SWM, environmental sustainability education should be integrated into schools at all levels within developing countries.


Pathogens ◽  
2021 ◽  
Vol 10 (5) ◽  
pp. 520
Author(s):  
Roberto Cárcamo-Calvo ◽  
Carlos Muñoz ◽  
Javier Buesa ◽  
Jesús Rodríguez-Díaz ◽  
Roberto Gozalbo-Rovira

Rotavirus is the leading cause of severe acute childhood gastroenteritis, responsible for more than 128,500 deaths per year, mainly in low-income countries. Although the mortality rate has dropped significantly since the introduction of the first vaccines around 2006, an estimated 83,158 deaths are still preventable. The two main vaccines currently deployed, Rotarix and RotaTeq, both live oral vaccines, have been shown to be less effective in developing countries. In addition, they have been associated with a slight risk of intussusception, and the need for cold chain maintenance limits the accessibility of these vaccines to certain areas, leaving 65% of children worldwide unvaccinated and therefore unprotected. Against this backdrop, here we review the main vaccines under development and the state of the art on potential alternatives.


2014 ◽  
Vol 28 (4) ◽  
pp. 99-120 ◽  
Author(s):  
Timothy Besley ◽  
Torsten Persson

Low-income countries typically collect taxes of between 10 to 20 percent of GDP while the average for high-income countries is more like 40 percent. In order to understand taxation, economic development, and the relationships between them, we need to think about the forces that drive the development process. Poor countries are poor for certain reasons, and these reasons can also help to explain their weakness in raising tax revenue. We begin by laying out some basic relationships regarding how tax revenue as a share of GDP varies with per capita income and with the breadth of a country's tax base. We sketch a baseline model of what determines a country's tax revenue as a share of GDP. We then turn to our primary focus: why do developing countries tax so little? We begin with factors related to the economic structure of these economies. But we argue that there is also an important role for political factors, such as weak institutions, fragmented polities, and a lack of transparency due to weak news media. Moreover, sociological and cultural factors—such as a weak sense of national identity and a poor norm for compliance—may stifle the collection of tax revenue. In each case, we suggest the need for a dynamic approach that encompasses the two-way interactions between these political, social, and cultural factors and the economy.


2021 ◽  
Author(s):  
Marcela Santiago Pacheco De Azevedo ◽  
Daniela Gomes Ribeiro ◽  
Felipe Rocha Da Silva Santos ◽  
Siomar De Castro Soares ◽  
Vasco Ariston De Carvalho Azevedo ◽  
...  

UNSTRUCTURED From the bubonic plague on the 14th century to the new Coronavirus disease 2019 (COVID-19), pandemics have profoundly changed societies function. Infectious disease outbreaks are getting shorter and shorter due to our densely populated cities, global travel, and nature mass exploration. In this regard, there is a particular concern about fires occurring in Brazil's Amazon rainforest, one of the most biodiverse places on earth that facilitates cross-species transmission giving rise to the emergency of new virulent pathogens. Situation is further complicated because Amazon spans across eight developing countries with limited preventive health care services. In this perspective, this review highlights the role of new methodologies best suited for epidemiological monitoring in low-income countries, such as high-throughput serological tests. Phage immunoprecipitation sequencing (Phip-Seq), for example, can evaluate antibody-repertoire binding specificities using oligonucleotides libraries encoding epitopes covering the DNA sequences from all human pathogenic viruses or all Arboviruses already described. After incubation with an individual's serum, these libraries can be immunoprecipitated for subsequent analysis by DNA sequencing. Data are analyzed revealing peptides recognized by the antibodies present in the sample. Being a technique at a relatively low cost, its implementation in developing countries is feasible and can generate very interesting scientific information.


2016 ◽  
pp. 1208-1227
Author(s):  
Monica Gray

Diarrhea is the second leading cause of death and is the major cause of malnutrition in children under age 5 worldwide. More than 50 percent of the cases occur in developing countries, particularly in sub-Saharan Africa and Southeast Asia. Open defecation, substandard fecal disposal systems, and contaminated water supplies are the typical causes of diarrheal diseases. This public health crisis in low income countries mirrors the experiences of today's industrialized nations two centuries ago. The lessons learned from their sanitary evolution can be instructive in charting a sustainable path towards saving the lives of almost 2 million children annually. In this chapter a case study of Cuba's sanitary reformation is also presented to showcase successes, similar to those of developed countries, within a developing country and economically challenging context.


2020 ◽  
pp. 1-14
Author(s):  
Johanna F. Lindahl ◽  
Florence Mutua ◽  
Delia Grace

Abstract Livestock interventions can improve nutrition, health, and economic well-being of communities. The objectives of this review were to identify and characterize livestock interventions in developing countries and to assess their effectiveness in achieving development outcomes. A scoping review, guided by a search strategy, was conducted. Papers needed to be written in English, published in peer-reviewed journals, and describe interventions in animal health and production. Out of 2739 publications systematically screened at the title, abstract, and full publication levels, 70 met our inclusion criteria and were considered in the study. Eight relatively high-quality papers were identified and added, resulting in 78 reviewed publications. Only 15 studies used randomized controlled trial designs making it possible to confidently link interventions with the resulting outcomes. Eight studies had human nutrition or health as outcomes, 11 focused on disease control, and four were on livestock production. Eight interventions were considered successful, but only four were scalable. We found good evidence that livestock-transfer programs, leveraging livestock products for nutrition, and helping farmers manage priority diseases, can improve human well-being. Our report highlights challenges in garnering evidence for livestock interventions in developing countries and provides suggestions on how to improve the quantity and quality of future evaluations.


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