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Pollutants

6 news articles per week.
43 connected topics.


News and Opinion

Coverage of pollutants since March 30, 2021.

Sustainability Award at the BUS2BUS exhibition. Solaris, Iveco and many more awarded

"...Of course, the Crossway and Crossway Low Entry Natural Power buses also help to save natural resources, as they are 100% compatible with biomethane, produced from organic waste. The vehicles thus have an excellent carbon balance and make a concrete contribution to the energy transition in local public transport. The environmental benefit is a reduction in greenhouse gas production of up to 95%..."

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Water purification system engineered from wood, with help from a microwave oven

"...Researchers in Sweden have developed a more eco-friendly way to remove heavy metals, dyes and other pollutants from water. The answer lies in filtering wastewater with a gel material taken from plant cellulose and spiked with small carbon dots produced in a microwave oven..."

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AI pinpoints local pollution hotspots using satellite images

"..."Before now, researchers trying to measure the distribution of air pollutants throughout a city would either try to use the limited number of existing monitors or drive sensors around a city in vehicles," said Mike Bergin, professor of civil and environmental engineering at Duke. "But setting up sensor networks is time-consuming and costly, and the only thing that driving a sensor around really tells you is that roads are big sources of pollutants. Being able to find local hotspots of air pollution using satellite images is hugely advantageous..."

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3D-printed graphene aerogel makes efficient, scalable water filter

"...Nanosheets of graphene have shown promise in water filtration in the past, but these are harder to produce at large scales. The team says that making graphene aerogels through this new technique makes them easier to scale up. They’re also reusable and apparently don’t leave residue in the water coming out the other side..."

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Are chemical pollutants altering the behaviour of wildlife and humans?

"...A scientific forum of 30 experts formed a united agreement of concern about chemical pollutants and set up a roadmap to help protect the environment from behaviour altering chemicals. The conclusions of their work have been published today in a paper led by Professor Alex Ford, Professor of Biology at the University of Portsmouth, in Environmental Science and Technology. Until now the effect of chemical pollutants on wildlife has been studied and risk assessed in relation to species mortality, reproduction and growth..."

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Scientists discover three liquid phases in aerosol particles

"...Findings could help explain how air pollutants interact with the atmosphere..."

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Shedding Light on the Cost of Light Pollution JSTOR Daily

"...Light pollution is also damaging marine ecosystems. Zooplankton—microscopic animals that drift in the water—migrate to deeper waters during the day and back to the surface at night, to graze on algae. While they are very small, thanks to their numbers, zooplankton movement is considered one of the largest daily migrations of biomass on the planet..."

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COVID-19 pandemic highlights the urgent global need to control air pollution

"...In "COVID-19 Pandemic: A Wake-Up Call for Clean Air," Stephen Andrew Mein, MD, Department of Medicine, Beth Israel Deaconess Medical Center, Boston, and colleagues discuss several ways that the COVID-19 pandemic highlights the urgent need to address the global problem of air pollution through sustainable local and national policies to improve respiratory health and equity worldwide. More than 91 percent of the world's population lives in areas that exceed the World Health Organization's air quality guidelines and more people are impacted by worsening air quality each year..."

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Houston flooding polluted reefs more than 100 miles offshore

"...HOUSTON - (April 6, 2021) - Runoff from Houston's 2016 Tax Day flood and 2017's Hurricane Harvey flood carried human waste onto coral reefs more than 100 miles offshore in the Flower Garden Banks National Marine Sanctuary, according to a Rice University study..."

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Spongey filter releases purified lake water when set in the sun

"...Ironically, many of the places that most require water purification have the least-developed infrastructure. That's where a new filtration device comes in, as it's activated by the sun – and it's said to perform better than other solar-powered purification systems. One of the most common ways of using the sun to purify water involves setting up what's known as a solar still..."

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Pollen season in Switzerland earlier and more intense due to climate change

"..."Similar to man-made air pollutants like particulate matter or nitrogen dioxide, pollen may actually have numerous negative effects on our body much beyond just nuisance," explained Eeftens. "Given the extent of the population affected and the increasing burden, it is key that we further study the health effects of pollen both acute and more long-term. " Swiss TPH just launched the EPOCHAL study to deepen the understanding of the multiple effects of pollen on health including blood pressure, lung function, ability to concentrate, mood and sleep..."

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Researchers: Plants play leading role in cycling toxic mercury through the environment

"..."When I walk outside here in New England, I am always amazed at the greenness of our forest, grasslands and salt marshes. One goal of my research is to determine how strongly vegetation controls the cycling of elements - some of which can be toxic pollutants - so we can better mitigate damaging effects," Obrist said..."

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Recommended Reading

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Podcasts

Recent episodes that mention pollutants.

Towards an optimised strategy for cleaner air - Professor Urs Baltensperger (Paul Scherrer Institute, Switzerland)

Duration: 51:00

"...The Earth's atmosphere is contaminated by many pollutants, all of which are harmful to life and the environment..."

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Informative Video

Discussions, Documentaries, and Investigative Reports about pollutants.

What are the indicators of pollution in the Arctic? | Ask a Scientist

"...Magali Houde studies the effects of pollution on the aquatic ecosystem..."

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How Catalytic Converters Reduce Pollution

"...While three-way catalytic converters are more efficient at removing pollutants, their effectiveness is highly sensitive to the air-fuel mixture ratio..."

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The Commonwealth Marine Economies Programme - The Pacific

"...Her research has been focused on fate and consequence of pollutants in the freshwater, coastal and offshore marine waters, and establishing links between the freshwater zone and marine system and coastal zone management with extensive experience of designing, implementing and evaluating monitoring programs to assess environmental impacts of human activity on the marine and coastal zone..."

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What is Air Pollution and How Does it Harm Us?

"...This video will take a closer look at the types of air pollution in our world, what exactly the pollutants are, and how exposure to these pollutants affect our health over time..."

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Academic Research

Recent peer-reviewed papers about pollutants relevant to the latest news.

Estimating future industrial emissions of hazardous air pollutants in the United States using the National Energy Modeling Syste

"...Retrospective studies such as the National Air Toxics Assessment have focused on modeling hazardous air pollutant (HAP) concentrations and exposures in the near past; however, future projections of HAPs emissions are relatively unexplored compared to those for greenhouse gases or criteria pollutants, and HAPs are typically not included in energy systems optimization or integrated assessment modeling..."

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Fifty years of EPA science for air quality management and control

"...Many of the advances in air pollutant measurement, monitoring, modeling, and control were developed by EPA researchers or supported by EPA programs..."

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Enhancing anaerobic digestion process with addition of conductive materials

"...Results regarding activities of microorganisms and morphology and properties of sludge were described and commented, and future research needs were also proposed which included better understanding of the roles of DIET in each step of anaerobic digestion, mechanisms of metabolism of pollutants in DIET-established systems and inhibition of excessive dosage of conductive materials..."

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Retrospective non-target analysis to support regulatory water monitoring: from masses of interest to recommendations via in sil

"...Samples from 22 wastewater treatment plants obtained in 2018 and measured using liquid chromatography?high resolution mass spectrometry were retrospectively analysed by (i) performing peak-picking to identify masses of interest; (ii) prescreening and quality-controlling spectra, and (iii) tentatively identifying priority ?known unknown? pollutants by leveraging environmentally relevant chemical information provided by Swiss, Swedish, EU-wide, and American regulators..."

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Impacts of noise barriers on near-viaduct air quality in a city: A case study in Xi'an

"...Lower traffic-related air pollutant concentrations were observed on the lee side of the noise barrier than at the non-barrier site section..."

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Phycoremediation of tetracycline via bio-Fenton process using diatoms

"...As common wastewater treatment technologies are not effective in antibiotic removal from wastewaters, techniques such as ozonation, photo-Fenton process, and adsorption have been employed..."

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Techno-economic and sensitivity analysis of hybrid electric sources on off-shore oil facilities

"...Owing to the low efficiency of off-shore oil ships and the dangerous atmospheric pollutants of the environment that the cause of ships, solar photovoltaic and the energy storage batteries in a ship system are highly attracting attention..."

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Performance evaluation of make-up air systems for pollutant removal from gas stove in residential kitchen by using a push-pull v

"...An excellent air distribution system is an effective way to maintain the good indoor air quality in the kitchen where high-concentration contaminants are released..."

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Effects of sunshields on vehicular pollutant dispersion and indoor air quality: Comparison between isothermal and nonisothermal

"...The effects of horizontal sunshields on the vehicular pollutant dispersion and indoor air quality of single-sided ventilation windward rooms along a street canyon is investigated in this study under both isothermal and nonisothermal conditions..."

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Single and multi-area multi-fuel economic dispatch using a fuzzified squirrel search algorithm

"...Because of the contradicting nature of fuel cost and pollutant emission objectives, weighted sum approach and price penalty factor are used to transfer the bi-objective function into a single objective function..."

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