In 2014, the city of Flint, MI in the U.S. changed its public water source, resulting in severe water contamination and a public health crisis. Using the Flint Water Crisis as a natural experiment, we estimate the effect of in utero exposure to polluted water on health at birth. Matching vital...

This policy brief highlights the key messages for policy makers from the World Bank report "Seeing the Invisible: A Strategic Report on Groundwater Quality" (Ravenscroft and Lytton 2022a). This report and "A Practical Manual on Groundwater Quality Monitoring" (Ravenscroft and Lytton 2022b)...

This study reports for the first-time the possibility of deploying gas production by thiosulfate utilizing denitrifying bacteria (TUDB) as a proxy to evaluate water toxicity. The test relies on gas production by TUDB due to inhibited metabolic activity in the presence of toxicants. Gas...

During the 20th century, inadequate management of mine waste at Mount Lyell Copper Mine has affected the water quality and ecology of the Queen and King Rivers and Macquarie Harbour, Western Tasmania, Australia. Over the past two decades the water quality of the Queen–King Rivers from the mine...

Shiziyang Bay, located in the upstream of the Pearl River Estuary, has frequently suffered from hypoxia since 2000, which has persisted in recent years despite effective controls on anthropogenic pollutant loads. To explore the underlying causes, we investigated changes in dissolved oxygen (DO),...

Persistent organic pollutants (POPs) were analyzed in 137 blubber samples of Franciscana dolphin, Pontoporia blainvillei, collected from 2000 to 2018 in three regions of the state of São Paulo, Brazil: Northern São Paulo (SPN), Central São Paulo (SPC) and Southern São Paulo (SPS) that belong...

Considering how the impact of human activity in Antarctica is growing, the aim of this study was to conduct the first assessment of pharmaceuticals and personal care products (PPCPs), other emerging contaminants (ECs), and antibiotic resistance genes present in the western shore of the Admiralty...

Treatment of organic contaminants using electro-Fenton (EF) is efficient but generate toxic by-products. Two mine effluents from northern Quebec with different concentrations of thiosalts (MElow and MEhigh) were tested for acute toxicity to Daphnia magna, before and after EF treatment, using...

Heavy metal mitigation is an ongoing environmental problem in aquatic ecosystems. However, a lack of quantitative analysis and accurate evaluation have led to unguided control and water management strategies. Lake Yangzong is the main freshwater resource for nearly one million people in Yunnan...

The inappropriate use and occupation of the environment has led to changes in the physical, chemical, and biological attributes of ecosystems that incorporated living standards that are unsustainable in relation to the maintenance of their quality. Therefore, this work had the following...

Although recent studies have detected elevated concentrations of arsenic and uranium in inland, alkaline, saline lakes, the chemical reactions associated with these enrichments are poorly understood. In this study, we used a five-year study of water chemistry, characterization of arsenic and...

The efficient removal of pharmaceutical pollutants presents a great challenge for the conventional sewage treatment system. Herein, we document the nanosheets assembled 3D hierarchical Fe 3 O 4 hollow microspheres co-modified by Ag and g-C 3 N 4 quantum dots (Ag/CNQDs@Fe 3 O 4 ) for efficient...

In this study, the removal of ammonia and phenol in saline chemical wastewater by radiation was investigated in detail. The results showed that chloridion in saline chemical wastewater could be transferred to •Cl and •ClO by radiation, which promoted ammonia oxidation, but inhibited phenol...

The presence of organic micropollutants (OMP) in surface water and water recovered from Managed Aquifer Recharge and Recovery (MARR) systems creates serious concerns. OMP pose potential health effects and difficulties to remove, due to diverging physicochemical properties and low concentrations....

The aim of the present study was to comparatively assess the estrogenic effects using Chinese rare minnows Gobiocypris rarus, exposed to the effluents from four secondary wastewater treatment plants (SWTP A-D) and a tertiary wastewater treatment plant (TTP E) in north China. The final effluents...

Pharmaceuticals are emerging pollutants of concern with a range of adverse consequences for organisms and ecosystems. Their ubiquitous presence in freshwater and estuarine systems has been well documented, but less is known about their prevalence in open ocean, or about their uptake by benthic...

Contaminants of emerging concern (CECs) are a concern in aquatic environments due to possible adverse effects on the environment and humans. This study assessed the occurrence and mass flows of CECs in Sweden’s three largest lakes and 24 associated rivers. The occurrence and distribution of...

Nitrogen pollution in medium-to-small rivers often brings about eutrophication to lakes. In this work, a composite technique consisting of retention pond (RP)-subsurface flow constructed wetland (SFCW)-stabilization pond (SP) was proposed in the present study. Results showed that RP-SFCW-SP can...

Agricultural non-point source pollution is the largest contributor to black-odor in rivers in rural areas. In particular, under the anoxic environment induced by wastewater with high ammonia nitrogen from the swine industry, sulfur compounds are produced, which lead to the formation of sulfides....

The soaring economic development of export activities of handicrafts centralized in emerging urban regions in Vietnam has accelerated the increase in the occurrence of diseases and threats to ecosystems induced by water pollution. We design a discrete choice experiment to elicit the...

The pollutant degradation by visible-light response photocatalysis is one of the most effective and environmentally friendly strategies, which eagerly expects the highly efficient catalysis. In this study, to incorporate the merits of BiOCl and NH 2 -MIL-125(Ti-Zr), and exploited their...

This policy brief highlights the key messages for policy makers from the World Bank report "Seeing the Invisible: A Strategic Report on Groundwater Quality" (Ravenscroft and Lytton 2022a). This report and “A Practical Manual on Groundwater Quality Monitoring" (Ravenscroft and Lytton 2022b)...

We study the effect of exposure to arsenic in groundwater, the main source of arsenic contamination, on a range of education outcomes among children in India. First, using a large nationally representative household survey and exploiting variation in soil textures across districts as an...

In this paper, we evaluate potential benefits of drinking water infrastructure investments in the United States. We first estimate willingness-to-pay for high-quality drinking water using consumer avoidance behavior in response to health-based drinking water quality violations. We find a modest...

Most US federal environmental policies allow states to assume responsibility for implementation and enforcement of regulations; states with this responsibility are referred to as "authorized'' or having "primacy.'' Although such decentralization may have benefits, it may also have costs with...

Flint changed its public water source in 2014, causing severe water contamination. We estimate the effect of in utero exposure to polluted water on health at birth using the recent Flint water crisis as a natural experiment. Matching vital statistics birth records with various sources of data,...

In 2014, the city of Flint, MI in the U.S. changed its public water source, resulting in severe water contamination and a public health crisis. Using the Flint Water Crisis as a natural experiment, we estimate the effect of in utero exposure to polluted water on health at birth. Matching vital...

We show that pollution increases the offering yields of municipal bonds, indicating increased risk. We establish this using a difference-in-differences design, comparing the bonds from U.S. counties revealed to contain per- and poly-fluoroalkyl substances (PFAS) in their drinking-water supplies...

Transboundary spillovers may degrade environmental quality if countries free ride. This paper examines the extent of such degradation in water quality in international rivers. Using data from river monitoring stations in the UN's Global Emissions Monitoring System (GEMS), it compares pollution...

In 2014, the city of Flint, MI in the U.S. changed its public water source, resulting in severe water contamination and a public health crisis. Using the Flint Water Crisis as a natural experiment, we estimate the effect of in utero exposure to polluted water on health at birth. Matching vital...

This study presents the impact of surface and ground water quality on the environment in Ebocha-Obrikom oil and gas producing area of Rivers State, Nigeria. Specifically, the study examined the relationship between the physico-chemical parameters, determine the quality of surface and ground...

Consider a group of agents located along a polluted river where every agent must pay a certain cost for cleaning up the polluted river. Following the model of Ni and Wang (2007), we propose the class of alpha-Local Responsibility Sharing methods, which generalizes the Local Responsibility...

This paper considers a largely unknown public-health practice in the United States: the use of lead pipes to distribute household tap water. Municipalities first installed lead pipes during the late nineteenth century. In 1897, about half of all American municipalities used lead water pipes....

We study the impact of audits on water conservation, distinguishing between the information and technological components. We observe water consumption for up to 18 months for 10,000 households in the South East of England who received the visit of a so-called Green Doctor. We find that...

Seit vielen Jahren übersteigt die Nitratbelastung an knapp einem Fünftel der Grundwasser-Messstellen in Deutschland den Grenzwert von 50 Milligramm pro Liter. Neben der Beeinträchtigung des Ökosystems, zum Beispiel durch Eutrophierung von Gewässern, schädigt nitratbelastetes Trinkwasser...