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Environmental Issues Surrounding Human Overpopulation



Environmental Issues Surrounding Human Overpopulation is an authoritative reference source for the latest scholarly research on the depletion of natural resources due to overpopulation and presents insights on how these environmental threats can be addressed. Highlighting technological, economic, and social perspectives, this book is ideally designed for policymakers, researchers, academics, students, and practitioners interested in better understanding the current state of the global environment.
Environmental Issues Surrounding
Human Overpopulation
There are many factors to be considered when examining the current state of
environmental problems in the modern world. By addressing these causes, the
preservation of ecosystems and environmental resources can be maintained.
Environmental Issues Surrounding Human Overpopulation is an
authoritative reference source for the latest scholarly research on the depletion
of natural resources due to overpopulation and presents insights on how these
environmental threats can be addressed. Highlighting technological, economic,
and social perspectives, this book is ideally designed for policymakers,
researchers, academics, students, and practitioners interested in better
understanding the current state of the global environment.
Topics Covered:
Climate Change
Coastal Zone Management
Food Security
Genetically Modied Crops
Land Use
Waste Management
Water Pollution
Rajeev Pratap Singh, Anita Singh, and Vaibhav Srivastava
Singh, Singh
& Srivastava Environmental Issues Surrounding Human Overpopulation
Environmental Issues
Surrounding Human
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... The earliest record of transgenic plants dates back to 1982 when a tobacco plant was modified to resist antibiotics using traditional homologous gene recombination technology (Singh et al., 2016). Recent developments in GE have revolutionized the biology sector. ...
Genetic engineering applications in the field of biofuel are rapidly expanding due to their potential to boost biomass productivity while lowering its cost and enhancing its quality. Recently, fourth-generation biofuel (FGB), which is biofuel obtained from genetically modified (GM) algae biomass, has gained considerable attention from academic and industrial communities. However, replacing fossil resources with FGB is still beset with many challenges. Most notably, technical aspects of genetic modification operations need to be more fully articulated and elaborated. Despite this, relatively little attention has been paid to GM algal biomass. There is a limited number of reviews on the progress and challenges faced in the algal genetics of FGB. Therefore, the present review aims to fill this gap in the literature by recapitulating the findings of recent studies and achievements on safe and efficient genetic manipulation in the production of FGB. Then, the essential issues and parameters related to genome editing in algal strains are highlighted. Finally, the main challenges to FGB pertaining to the diffusion risk and regulatory frameworks are addressed. The biosafety aspects of FGB, as well as the complexity and diversity of the related regulations, legitimacy concerns, and health and environmental risks, are among the most important challenges that require a strong commitment at the national/international levels to reach a global consensus.
... These factors led to the use of more natural resources and to an increased energy consumption, which in turn leads to an increased pressure on natural resources due to over exploration and environmental damage, particularly climate change, that is essentially caused by the world's reliance on fossil fuels to run the economies. 1 The transition to highly efficient and environmentally friendlier systems for energy production is needed to constrain climate change and to support sustainable population growth, warranting reliable and affordable energy for everyone without compromising the environment. The United Nations is one of the main drivers of this transition, with two of their 17 goals for sustainable development until 2030 directly related to this thematic (7 -affordable and clean energy; 13 -climate action). 2 The decarbonization of the economies, with reliance in renewable energy sources is one of the main strategies adopted by the governments to overcome the dependence on fossil fuels. ...
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The efforts to decarbonize the economies, with particular focus on renewable energies, must be accompanied by the development of more efficient and environmentally friendlier energy storage systems. In this context,...
... The increased population of our planet causes an enhanced demand for better food and will result in competition for arable land and other non-renewable resources in the future (Singh et al. 2017). Proteins of animal origin contained in milk, meat, fish, eggs and insects are very valuable sources of essential amino acids, but their production consumes a sufficient amount of non-renewable resources, including arable land, and has a negative impact on agroecology, for example, due to a considerable amount of harmful emissions (Flachowsky et al. 2017). ...
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The article presented the data that confirm the efficiency of the extruded Locusta migratoria (ELM) meal used in feeding steers. The experiment was based on collecting locust, feeding steers and calculation of economic efficiency. One hundred steers of Kasakh white-headed breed were equally divided to 2 treatment groups, and fed either a basal ration (BR, Control group), or a ration containing complete feed supplemented with ELM at 10% (Test group). In the population under study, the live weight dynamics was observed, and the physiological state and haematological status were controlled. The steers’ meat productivity and meat quality were studied on the results of the control slaughter. Partial replacement of the feed with locust reduced the feed costs and contributed to an increase in profits per animal in Test group compared to the control animals, as well as in the beef production profitability.
... Climate change may affect air pollutant levels in several ways: regional weather (e.g., changes of wind patterns, amount and intensity of precipitation, and increase of temperature), anthropogenic emissions, and the severity and frequency of air pollution episodes. For example, an increase of energy demand for space heating or cooling can lead to enhancement of the urban heat island effect, which may increase some secondary pollutants (i.e., ozone) and indirectly lead to increased natural sources of air pollutant emissions, such as decomposition of vegetation, soil erosion, and wilderness [54]. ...
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Purpose of review: It is well known that combination of sensitization and exposure to inhaled environmental allergens is related to both the development and elicitation of symptoms of asthma and that avoidance of allergens would exert beneficial effects in the prevention and control of the disease. Other important factors include the relevance of other allergens, exposure to sensitizing agents also outside patient's home, exposure to irritants (like chemical air pollutants), and the involvement of the patient with a correct education. It is also likely that clinical phase of allergic airway disease and the degree of airways remodeling represent relevant factors for the clinical outcome of allergen avoidance procedure. We reviewed existing evidence on prevention of asthma through allergen avoidance. Recent findings: The management of respiratory allergy is a complex strategy (including prevention, drugs, immunological, and educational interventions). In addition, it is difficult in real life to distinguish the efficacy of single interventions. However, a combined strategy is likely to produce clinical results. A combined strategy is likely to produce satisfactory management of asthma. Allergens are an important trigger factor for the development of symptoms of respiratory allergy, and avoidance measures are able to reduce allergen levels. It is likely that clinical phase of allergic airway disease and the degree of airways remodeling represents relevant factors for the clinical outcome of allergen avoidance procedures. Considering the management of respiratory allergy is a complex strategy; it is difficult in real life to distinguish the efficacy of single interventions. However, further studies better quantifying the effects of allergens are needed.
... Today, environmental issue is one of the crucial challenges facing humanity (Jha, 2010;Singh et al., 2016). The beginning of the geochemical cycle (i.e., introduction of elements to various geochemical processes) is the generation of magma in a mantle source region. ...
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Ultramafic rocks of the ophiolitic complexes are prone to alteration and degradation, and therefore, ease of mobility of heavy metals such as nickel (Ni), chromium (Cr), cobalt (Co), lead (Pb), and vanadium (V), resulting in environmental hazards. The ultramafic rocks of the ophiolitic realm of Kurdistan province, west of Iran, show field and compositional evidence for such hazardous conditions. The ultramafic rocks are extremely rich in Mg, Fe, Ni, Cr, and Co and they are severely altered and decomposed, resulting in the formation of Serpentine minerals including chrysotile (white asbestos). Comparison of the heavy metal concentrations with standard data indicates that the samples are enriched in Ni, Cr, Co, and V. Natural processes such as alteration and anthropogenic factors such as mining, facilitated the release and mobility of these heavy metals. For reactive contaminant species, attenuation of the pollutant transport occurs by various processes including chemical precipitation, sorption, redox reactions and changes in pH.
Climate change is one of the main challenges and threats of the 21st century. Accordingly, the analysis in this study is based on the conceptual economic strategy of the United Nations Green Economy. Attention is paid to topical issues on the problem of climate change, since the COVID-19 pandemic has significantly affected human economic activities. For this study, three European Union member states have been selected for their economic performance and economic development: Germany, France and Italy. According to the statistics of the International Monetary Fund for 2020, the data on the GDP of these countries is the highest. Compared to other member states, the selected countries have the largest population. Moreover, the leaders of the three states have repeatedly expressed their concern about the problem of climate change. The paper provides a brief analysis of the most important international conferences devoted to the climate problem, as well as a comparison of the main approaches in relation to anthropological factors causing climate change. Unfortunately, the climate agenda is still viewed by some industrialists, government elites and energy sector businessmen as less significant than economic benefits. Academic circles are also divided and many believe that the transition to “green rails” is not feasible at the moment and the climate issue can be postponed. Thus, economic reforms, compliance with environmental recommendations, the introduction of legal and institutional mechanisms and methods remain under the responsibility of each state separately. The avoidance and reluctance of transformations allows us to speak about the initial stage of the formation of awareness of the climate threat.KeywordsClimate changeThe UN Framework Convention on Climate ChangeThe Paris AgreementThe UN Intergovernmental Panel on Climate ChangeClimate policy
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Biosolids are a nutrient-rich stable substance obtained during wastewater treatment process. With amplifying population and industrial development, upsurge of biosolid generation is also speculated. Biosolids are endowed with essential plant nutrient (macro- and micro-nutrients) which qualifies them to be used as soil amendment and in turn dwindles the use of chemical fertilizers. The characteristics of biosolid depends on the nature of the treatment process. In this regard, it would be possible to recycle certain nutrients from the agricultural use of biosolids and could be a sustainable solution to the management of this waste. Biosolids may therefore serve as a key tool for farm utilization. It improves the soil health through nutrient supply and promotes the plant growth. Furthermore, they are slow-release fertilizer and hence, restrains from groundwater contamination. This review, in a nutshell, unravels the influence of biosolids on land application, its effect on soil properties, agricultural and horticultural crops, environmental ramification of biosolids in restoring the degraded land and carbon sequestration. Graphical abstract
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One of the foremost issues for the current society is heavy metal pollution which is caused owing to recent extraordinary urbanization and industrialization. The impact of metal contamination on the agricultural fields/soils results in contamination of food sources and reaching the human food chain. The heavy metals (HM) and metalloids consisting of Cr, Mn, Co, Ni, Cu, Zn, Cd, Sn, Hg, Pb and other metals have enormous toxic impacts. The cropping intensity was increased, and more area was brought under agriculture, and also the advancement within the farming practice with recent technologies such as application of fertilizers has led the agricultural field into a polluted area by heavy metals. The rate of metals or metalloid concentrations within the agricultural soil is rising rapidly, and it affects plant growth, food safety and soil micro flora. Heavy metals depend on green plants for their biologic and geological rehabilitation. Heavy metals, toxic to the environment, can directly affect an integral part of the plants and modify their biochemical, metabolic and physiological processes. However, some of the heavy metals such as Cu, Mn, Co, Zn and Cr are important for the completion of metabolic activities, but in trace quantities. The present review aims at drawing a possible route map resulting in further research possibilities within the domain of heavy metal pollution by documenting the research works related to this area along with the management strategies.
Urban clean mobility has enormous impacts on environmental, economic and social levels, promoting important eco-friendly means of sustainable transportation. Soft mobility (specially bike-sharing services) plays a crucial role in these initiatives since it provides an alternative for hydrocarbon fuel vehicles inside the cities. However, choosing the best location to install soft mobility docks can be a difficult task since many variables should be considered (e.g. proximity to bike paths, points of interest, transportation access hubs, schools, etc.).
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