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Uber is adding more polluting car trips to already-clogged European cities such as London and Paris, new analysis by European NGOs suggests —contributing to air pollution and climate change and exploding the company’s sustainability claims. Uber’s CEO tells us they ‘do the right thing, period.’
Urban planners should plant hedges—or a combination of trees with hedges—rather than just relying on roadside trees if they are most effectively to reduce pollution exposure from cars in near-road environments, according to a new study from the University of Surrey.
New research by George Mason University found that exposure to certain air pollutants is linked to increased emergency department (ED) visits for respiratory and cardiovascular diseases. The study is published in the journal Environment International. We estimated associations between twelve ambient air pollutants of both primary (e.g.
By disrupting normal societal activities such as driving, COVID-19 lockdowns afforded a unique opportunity to study their impacts on the environment. On a national or global scale, most NH 3 pollution comes from agricultural sources, such as livestock manure. Bowman, Tzung-May Fu, and Muhammad O. 1c00730.
A new study led by University of Chicago researchers finds an association between exposure to environmental pollution and an increase in the prevalence of neuropsychiatric disorders. Our studies in the United States and Denmark show that living in polluted areas, especially early in life, is predictive of mental disorders.
Jacobson, professor of civil and environmental engineering at Stanford University, suggests that carbon capture technologies are inefficient and increase air pollution. However, this research finds that it reduces only a small fraction of carbon emissions, and it usually increases air pollution. A study by Mark Z. —Mark Jacobson.
According to an independent study by the International Institute for Applied Systems Analysis (IIASA) and the Council on Energy, Environment, and Water (CEEW), more than 674 million Indian citizens are likely to breathe air with high concentrations of PM 2.5 The program focuses on 102 polluted Indian cities and aims to reduce PM 2.5
People continuously exposed to air pollution are at increased risk of dementia, especially if they also suffer from cardiovascular diseases, according to a study at Karolinska Institutet in Sweden published in the journal JAMA Neurology. The annual average level of particulate matter 2.5 —Giulia Grande. Giulia Grande, Petter L.S.
Among the major pollutants, nitrogen oxide (NO x ) accumulation can cause severe respiratory diseases and imbalance in the Earth’s nitrogen cycle. However, such a harshly acidic environment rapidly degrades the catalyst, limiting the reaction. An open-access paper on the work is published in Nature Communications.
A new report from the European Environment Agency (EEA) warns that the health of Europe’s most vulnerable citizens remains disproportionately affected by environmental hazards such as air and noise pollution and extreme temperatures, especially in Europe’s eastern and southern regions, despite overall improvements in Europe’s environmental quality.
A new briefing paper from Imperial College London estimates that in 2021, 52% of all small particle pollution from road transport came from tires and brakes. Tire wear particles pollute the environment, the air we breathe, the water run-off from roads and has compounding effects on waterways and agriculture.
Among pollutants that are less than 2.5 microns in diameter (PM2.5 ), airborne sulfate is one of the most common components of hazy air pollution formed atmospherically via the oxidation of sulfur dioxide (SO 2 ). Dense, hazy fog episodes characterized by relatively high humidity, low visibility and extremely high PM 2.5
Researchers found that air pollution levels right beside a major trucking route within a city were close to levels seen beside Highway 401, despite the road carrying less than one-tenth of the vehicle traffic. Research consistently links traffic emissions to negative effects on both the environment and human health. Jonathan M.
Cornell engineers have developed machine learning models to simplify and reinforce models to calculate the fine particulate matter (PM 2.5 ) contained in urban air pollution. Previous methods to gauge air pollution were cumbersome and reliant on extraordinary amounts of data points. MRE for the single hidden layer model, the 63.2%
An anti-pollution helmet developed by a Delhi-based startup can help 2-wheeler riders breathe cleaner air. kg helmet ensures exposure reduction by more than 80% as measured using a controlled environment. For the next version, Shellios will tie up with top tier-2-wheeler OEMs for the commercialization of the anti-pollution helmet.
Researchers from Surrey’s Global Center for Clean Air Research (GCARE) in the UK have investigated the amount of harmful air pollutants babies potentially inhale while out in a stroller with their parents or caretakers. An open-access paper on their work is published in Environment International. Environment International.
A “well-to-wheel” life cycle assessment (LCA) by a team from synthetic fuels producer Greyrock ( earlier post ), and the National Renewable Energy Laboratory (NREL) has determined the potential reduction of greenhouse gases and criteria pollutant emissions from the use of synthetic fuels directly converted from flare gas. billion liters (18.8
CO 2 emissions from private jets in Europe increased by nearly a third (31%) between 2005 and 2019, rising faster than commercial aviation emissions, according to a new report from environmental campaign group Transport & Environment (T&E). Flying on a private jet is probably the worst thing you can do for the environment.
Created to address California’s pollution challenges, this technology could be a solution for communities around the globe dealing with the effects of NO x. According to the Environmental Protection Agency, nitrogen oxides are harmful to human health and the environment.
A study by three French institutes—Ifremer, the University of Bordeaux and the IRD (a public research institution)—has found that the surface water of the Atlantic Ocean is twice as polluted by cellulose fibers as it is by microplastics. There’s a pile of information doing the rounds about the pollution of the oceans.
Solid CFDNPs in air pollution are characterized by the abundant presence of strongly magnetic, iron-rich particles which condense and/or oxidize upon airborne release, often retaining a rounded or spherical shape as they cool. —Calderón-Garcidueñas et al. Lilian Calderón-Garcidueñas, Angélica González-Maciel, Partha S. Cross, Imad A.M.
In an open access paper in the Journal of Wind Engineering and Industrial Aerodynamics , researchers at the University of Surrey (UK) have investigated the effect of group riding on cyclists’ exposure to vehicle pollutants. —Schmeer et al. With more wind, riding towards the back of the group can be a good strategy to minimize exposure.
The $461,000-project, titled “Heterogeneous Aging Mechanisms of Combustion and Biomass Burning Emissions,” will focus on how gases, such as ozone, react with pollutants emitted from power plants and forest fires. Guzman and his students will study how these pollutants are transformed on surfaces by oxidizing atmospheric gases.
The results appear in the journal Atmospheric Environment. Such information could help researchers identify hidden hotspots of dangerous pollution, greatly improve studies of pollution on human health, or potentially tease out the effects of unpredictable events on air quality, such as the breakout of an airborne global pandemic.
Exposure to air pollution, even over the course of just a few weeks, can impede mental performance, according to a new study led by researchers at Columbia University Mailman School of Public Health. The study is among the first to explore short-term air pollution exposures and the use of NSAIDs to mitigate their effects.
According to Agah, a renowned researcher in chip-scale gas chromatography and Office of the Vice President for Research and Innovation Faculty Fellow, the development of effective strategies for reducing occupational exposure to pollutants requires accurate, time-resolved measurement of exposure.
It has also contributed to environment degradation, landscape damage and soil contamination, groundwater depletion and pollution. The report recommends that countries such as DRC provide “conducive environment to attract investment to establish new mines or expand existing ones”.
Green groups like Communities For A Better Environment, Food & Water Watch and Sierra Club had worked for this critical win for many year and it was beautiful to be there to see their leaders gobsmacked by the great news. ” – this means that mega-polluting, constantly climate-killing, fossil fuel Chevron must go too.
The European Commission presented its proposal for Euro 7 standards to reduce air pollution from new motor vehicles sold in the EU. However, in 2050, more than 20% of cars and vans and more than half of the heavier vehicles are expected to continue to emit pollutants from the tailpipe.
about 30% of its tread erodes and enters the environment. million metric tons of tire wear particles flow into the environment each year in the United States. They believe that it is important to understand these differences to identify levels at which these pollutants become toxic. Credit: John Dickens.
The findings appear in the journal Science of the Total Environment. Setback distances should be revisited to address temporal variability and pollution controls in vent emissions. By comparison, the California Air Pollution Control Officers Association (CAPCOA) used an estimate of 0.11 —Hilpert et al. pounds and 1.7
However, the health effects of these compounds, and how readily they migrate into the environment, are largely unknown. Previous studies revealed widespread environmental pollution and human exposure to a class of compounds called low-molecular weight synthetic phenolic antioxidants.
Proponents claim that if renewable electricity is used and CO 2 is captured from the air, then the e-gasoline and e-diesel are climate-neutral fuels that will also reduce pollution. However, said T&E, particle pollution was far from eliminated. pollution. The emissions were compared to the standard E10 EU gasoline. Full report.
An in-house study by environmental NGO Transport & Environment (T&E) has found that the luxury cruise brands owned by Carnival Corporation & PLC emitted in 2017 in European seas alone 10 times more SO x than all of Europe’s 260+ million passenger vehicles. million passenger vehicles in a year.
million grant awarded to BNSF and the San Joaquin Valley Air Pollution Control District from the Zero- and Near Zero-Emission Freight Facilities (ZANZEFF) project by the California Air Resource Board to pilot several emissions-reducing technologies in and around railyards. —Alan Hamilton, Wabtec vice president, Engineering.
Microplastic—particles smaller than five millimeters—is the result of plastics being released into the environment in uncontrolled. At any given time, 1,100 tons of microplastic is floating over the United States, and much of it comes from vehicle tires, according to a recent Wired report.
Reducing airborne pollution at the Ports of L.A. These new prototypes not only use production-intent hardware, they will also allow us to start looking beyond drayage into broader applications of this proven technology. —Andrew Lund, chief engineer, Toyota Motor North America Research and Development.
But diesel-powered buses are not safe for kids’ developing lungs, which are particularly vulnerable to harmful air pollution. Making the transition to electric school buses that don’t emit pollution provides children and their communities with cleaner air and numerous public health benefits. —Energy Commissioner Patty Monahan.
The use of electric buses on urban routes reduced the emissions of pollutants into the air of Moscow by 40 thousand tons in 2020. Replacing one diesel bus with an electric bus reduces CO 2 emissions into the environment by 60.7 By the end of 2021 there will be 1000 electric buses on duty. tons per year.
Today, operating the best-selling gas-powered commercial leaf blower for one hour emits air pollutants comparable to driving a 2017 Toyota Camry from Los Angeles to Denver. It’s time to phase out these super polluters. Smog-forming emissions from small engines will surpass those from passenger vehicles this year.
The replacement of a diesel bus with an e-bus leads to an average reduction of the CO 2 emissions in the environment of 60.7 The e-transport does not use fuel while running and does not emit the polluting substances and harmful emissions during operation. —Maksim Liksutov, the Deputy Mayor of Moscow for Transport. tons a year.
NEVS developed PONS because cities all over the world, clogged by pollution and traffic, want to do whatever they can to reduce the use of cars. AutoX was chosen for its software-hardware integrated approach, safety and scalability, and ability to navigate in dense urban environments. The self-driving vehicle Sango. There are 1.3
Yet despite this, there are still a lot of skeptics who argue that electric vehicles do not really do anything useful for the environment. A study from the Keck School of Medicine of the University of Southern California has provided some real-world observations about electric vehicles and how they positively impact the environment.
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