Water Quality

By analyzing the impact of both public water supply and water handling containers, this paper makes an important contribution to the literature regarding the effectiveness of water supply programs based on the following related outcomes: objective and subjective water quality at the source and Point-of-use (POU), POU water treatment, water transport and storage behavior, and uptake of new, improved water points.
Polycyclic aromatic hydrocarbons (PAHs) in water pose a serious threat to human health due to their toxic effects. This manuscript evaluates various drinking water treatment processes to remove these compounds from drinking water, in order to assure the quality of water intended for human consumption.
In an urbanized catchment, land use has a strong effect on water quality. The majority of the landscape metrics are correlated with Ave River Basin water quality. Water quality is dependent on landscape planning. Ave River Basin requires landscape intervention to restore hydric resources.
Wetlands provide ∼$47.4 trillion/year worth of ecosystem services globally and support immense biodiversity, yet face widespread drainage and pollution, and large-scale wetlands restoration is urgently needed. Payment for ecosystem service (PES) schemes provide a viable avenue for funding large-scale wetland restoration. However, schemes around the globe differ substantially in their goals, structure, challenges, and effectiveness in supporting large-scale wetland restoration.
Elsevier, Current Opinion in Environmental Sustainability, Volume 50, June 2021
As sea level rise drives saltwater farther inland, drinking water supplies of some coastal cities will be contaminated. This paper evaluates how climate change is shifting the location of ‘salt lines,’ the zone where coastal fresh water meets the ocean, and implications for drinking water management. It focuses on changes from climate, as opposed to water overuse or water quality mismanagement, and reviews recent literature along three dimensions. Firstly, the paper reviews regulations on salinity in drinking water.
Deterioration of water quality due to economic development, climate change and other factors has become a challenge to human beings and the ecosystem. Most countries have recognized this problem and have resorted to actions for improving water quality. However, the effect on water quality improvements due to these actions is uncertain due to the plausibility of multiple scenarios like climate change scenarios and socio- economic scenarios.
Tillage is the most common agricultural practice dating back to the origin of agriculture. In recent decades, no-tillage (NT) has been introduced to improve soil and water quality. However, changes in soil properties resulting from long-term NT can increase losses of dissolved phosphorus, nitrate and some classes of pesticides, and NT effect on nitrous oxide (N2O) emission remains controversial. Complementary management that enhances the overall environmental benefits of NT is therefore crucial.
Water–Sanitation–Hygiene (WASH) remains vital for the 2030 Agenda for Sustainable Development, yet many countries have not localised the 17 Sustainable Development Goals (SDGs), including SDG 6, which focuses on ensuring the availability and sustainable management of water and sanitation for all. Even in leading African economies such as South Africa, many communities still use the bucket system for sanitation.
This study supports SDGs 3 and 6 by showing that elementary WASH interventions alone were insufficient in reducing the prevalence of stunting, anaemia, and diarrhoea in children in rural Zimbabwe; these findings call for greater investment into, and scale-up of, WASH programmes in rural settings, in order to achieve more meaningful improvements in child health outcomes.
In the first paper in this Series we assessed theoretical and empirical evidence and concluded that the health of people living in slums is a function not only of poverty but of intimately shared physical and social environments. In this paper we extend the theory of so-called neighbourhood effects. Slums offer high returns on investment because beneficial effects are shared across many people in densely populated neighbourhoods. Neighbourhood effects also help explain how and why the benefits of interventions vary between slum and non-slum spaces and between slums.