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Jacobson, professor of civil and environmental engineering at Stanford University, suggests that carbon capture technologies are inefficient and increase air pollution. All sorts of scenarios have been developed under the assumption that carbon capture actually reduces substantial amounts of carbon. —Mark Jacobson.
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. The best way to tackle pollution is to control it at the source.
About 4 million children worldwide develop asthma each year because of inhaling nitrogen dioxide (NO 2 ) air pollution, according to an open-access study published in The Lancet Planetary Health by researchers at the George Washington University Milken Institute School of Public Health (Milken Institute SPH). —Susan Anenberg.
The study, set in Singapore, suggests that better air quality will bring about climate co-benefits in reducing electricity generation via lower household demand, and thus mitigating carbon emissions. The reasons were two-fold: (i) increased air pollution led to households staying indoors more to mitigate the pollution impact; and (ii) PM 2.5
Researchers from Korea and France have shown that iron–nitrogen-doped carbon is an efficient and durable electrocatalyst for selective nitric oxide reduction into hydroxylamine. Among the major pollutants, nitrogen oxide (NO x ) accumulation can cause severe respiratory diseases and imbalance in the Earth’s nitrogen cycle.
Findings of a study led by the Barcelona Institute for Global Health (ISGlobal) and published in the European Respiratory Journal suggest that a significant proportion of childhood asthma cases may be attributable to outdoor air pollution, and that these cases could be prevented. and black carbon (BC). and black carbon (BC).
GTI has released a site-specific engineering design titled “ Low-Carbon Renewable Natural Gas (RNG) from Wood Wastes ”. The RNG product with very low carbon intensity could be used for carbon emission reductions in the transportation, industrial, commercial, and residential energy sectors.
in 2030 even if India were to comply with its existing pollution control policies and regulations. In January 2019, the Indian government launched the National Clean Air Program (NCAP), a five-year action plan to curb air pollution; build a pan-India air quality monitoring network; and improve citizen awareness.
Infants born to women exposed to high levels of air pollution in the week before delivery are more likely to be admitted to a newborn intensive care unit (NICU), suggests an analysis by researchers at the US National Institutes of Health (NIH). Short-term exposure to most types of air pollutants may increase the risk for NICU admission.
The California Air Resources Board last week approved the final proposed 2022 Scoping Plan ( earlier post ), a roadmap to reduce demand for petroleum by 94%, cut air pollution by 71%, reduce greenhouse gas emissions 85%, and reach carbon neutrality by 2045.
The companies are joining efforts to implement the carbon-negative UBQ thermoplastic ( earlier post ) into auto parts manufactured by Motherson Group for the automotive industry. Adding as little as 10% UBQ GHG to a part can immediately transform it into a carbon-neutral product. Polymers typically emit 1.9
A new study is the first to report evidence that nonsteroidal anti-inflammatory drugs (NSAIDs) such as aspirin may lessen the adverse effects of air pollution exposure on lung function. While the mechanism is unknown, the researchers speculate that NSAIDs mitigate inflammation brought about by air pollution. 201905-1003LE.
In an open-access report in the journal Environmental Pollution , researchers from UCLA and the University of Chicago estimate that California’s wildfire carbon dioxide equivalent (CO 2 e) emissions from 2020 (~127 mmt CO 2 e ) are approximately two times higher than California’s total greenhouse gas (GHG) emission reductions since 2003.
Southwest Research Institute engineers have developed the next generation of clean diesel engine technology to reduce hazardous nitrogen oxides (NO x ) and carbon dioxide emissions while minimizing fuel consumption. Making a relevant impact on pollutants requires a whole system approach. g/hp-hr NO x emissions).
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
A new study suggests that significant early childhood exposure to traffic-related air pollution (TRAP) is associated with structural changes in the brain at the age of 12. Those regions denote a reduction in cortical thickness linked to elemental carbon attributed to traffic. PLoS ONE 15(1): e0228092 doi: 10.1371/journal.pone.0228092.
Professional drivers working in congested cities are exposed to black carbon levels that are on average a third higher than would be experienced at a busy roadside, according to research presented at the European Respiratory Society International Congress. We know quite a lot about the dangers of exposure to traffic pollution.
HFCs are considered to be super pollutants because they trap heat in the atmosphere thousands of times more effectively than carbon dioxide, the most prevalent greenhouse gas. Technology exists that makes it possible for new facilities to use refrigerants with very low-GWP today, such as carbon dioxide or ammonia.
EPA says that the proposed limits and guidelines would require ambitious reductions in carbonpollution based on proven and cost-effective control technologies that can be applied directly to power plants. They also provide owners and operators of power plants with lead time and compliance flexibilities.
finds that private jets are 10 times more carbon-intensive than airliners on average, and 50 times more polluting than trains in terms of CO 2 emitted per passenger-km. And yet, super-rich super polluters are flying around like there’s no climate crisis. —Andrew Murphy, Aviation Director at T&E.
Volkswagen has begun to fit all its models with an activated carbon filter. Furthermore, the filter technology with activated carbon layer also converts harmful gases such as nitrogen dioxide, leaving the interior air cleaner and less disturbing. This disables even the tiniest allergens.
These results show that the Opposed-Piston technology is able to meet our sustainable transportation goals, reducing criteria pollutants while also emitting less carbon dioxide. Earlier post.).
This is a game-changer for both nuclear energy and carbon-free hydrogen production for numerous industries. It offers a view of the energy structures of the future, which will integrate systems to maximize energy use, generator profitability and grid reliability all while minimizing carbon emissions.
The US Environmental Protection Agency (EPA) is proposing new, stronger standards to promote clean air and reduce pollution from heavy-duty vehicles and engines starting in model year (MY) 2027. —“Control of Air Pollution from New Motor Vehicles: Heavy-Duty Engine and Vehicle Standards”.
Creating a fuel cell engine for these trains would potentially eliminate their emissions and provide a much-needed reduction in air pollution from the railways that serve California’s warehouses and ports. Switcher locomotives are a type of engine for trains that carry goods from ports to nearby warehouses.
A new report by the Union of Concerned Scientists (UCS) finds that the rising use of ride-hailing services is increasing carbon emissions, with ride-hailing trips producing nearly 70% greater emissions compared to the trips they are replacing. —Jeremy Martin, senior scientist and director of fuel policy at UCS.
Hyundai Motor Group will collaborate with the Saudi Arabian Oil Company (Aramco) and King Abdullah University of Science and Technology (KAUST) jointly to research and develop an advanced fuel for an ultra lean-burn, spark-ignition engine that aims to lower the overall carbon dioxide emissions of a vehicle.
the E30 and E78—led to statistically significant reductions of 9%–13% for total hydrocarbon (THC); 13%–44% for non-methane hydrocarbon (NMHC); 20%–35% for carbon monoxide (CO); and 17%–36% for nitrogen oxides (NO x ) emissions compared to the high-aromatics E10 fuel. Their paper is published in the ACS journal Energy & Fuels.
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.
The Copernicus Sentinel-5 Precursor mission, also known as Sentinel-5P, is dedicated to monitoring air pollution by measuring a multitude of trace gases as well as aerosols. Recent data have also shown a decline of air pollution over northern Italy coinciding with its nationwide lockdown to prevent the spread of the coronavirus (COVID-19).
According to the R&D engineer of this project, hydrogen fuel cell construction vehicles have five important advantages: The realization of zero pollution with only water and heat being discharged. The latter is the first hydrogen-powered mixer truck in the world.
Shipping emissions form a significant part of the commodity supply chain’s carbon footprint, particularly for those commodities reliant on the mass transport of low-grade ores and concentrates. Roskill has analyzed the trend in carbon intensity of shipping using spodumene concentrate as an example. Regulatory background.
As a step toward better understanding the prevalence of airborne nanoplastics, researchers from Ben-Gurion University of the Negev in Israel have developed a sensor that detects these particles and determines the types, amounts and sizes of the plastics using colorful carbon dot films. —Raz Jelinek, Ph.D., —Raz Jelinek.
An international collaboration of scientists has taken a significant step toward the realization of a nearly “green” zero-net-carbon technology that can efficiently convert CO 2 and hydrogen into ethanol. There has been much work on carbon dioxide conversion to methanol, yet ethanol has many advantages over methanol.
Canada’s clean energy diversification strategy and regulatory framework make clear that hydrogen is a key enabler for carbon neutrality by 2050. The Pembina Institute sees low- and zero-carbon hydrogen as being able to play an important role in decarbonizing Canada’s energy systems.
An international collaboration led by Cranfield University will examine the potential for the low-carbon production of hydrogen from natural gas. The outputs are high-purity streams of hydrogen and carbon dioxide which can be then stored, sold or transported to where it is needed.
Instead, the refinery will be repurposed to become a producer of low-carbon renewable fuels that meet the needs of the California Low Carbon Fuels Standard. Fuels produced from the facility will result in significant reductions of both greenhouse gas (GHG) emissions and local air pollutants such as particulate matter.
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. Carbon monoxide emissions were much higher with the e-gasoline blends tested.
By demonstrating that electric HGV transportation is commercially viable, this service will contribute to encouraging wider investment in technology and innovation that will support the haulage sector’s efforts to reduce emissions and air pollution.
Hydrogen fuel cell vehicles produce very low carbon emissions and no air pollution which makes them vital to cleaning our air and tackling climate change. The impact of carbon materials on the hydrogen storage properties of light metal hydrides.” EP/T022760/1. EPSRC funding award. Total value of this project is £979,291 (Oct.
And because I completely agree with Mayor Garcetti that – “The risks are so high that it’s time for us to ween ourselves off carbon-based energy. ” – this means that mega-polluting, constantly climate-killing, fossil fuel Chevron must go too.
The sustainable aviation fuel produced by LanzaJet is made via the LanzaJet Alcohol to Jet (AtJ) Process, which can use any source of sustainable ethanol, including, but not limited to, ethanol made from non-edible agricultural residues such as wheat straw and recycled pollution. British Airways has a roadmap to meet its net zero 2050 target.
Flameless combustion eliminates all pollutant emissions such as NO x , CO, and PM, and enables the fuel-flexibility that is crucial in creating demand for clean alternative fuels, accelerating the transition to a net-zero carbon economy. Not only can IPG’s technology deliver low-emission, pollutant-free energy on today’s cleaner fuels.
in 2007, Fulcrum has developed a proprietary thermochemical process to convert the organic materials found in MSW to low-carbon drop-in fuels, which can be distributed in the same pipelines as traditional petroleum products. Fulcrum’s first MSW-to-fuels facility, Sierra BioFuels, located near Reno, Nev. Founded in Pleasanton, Calif.,
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