Researchers found positive trends in ozone levels over the Iberian Peninsula between 1995 and 2008, with quicker recovery rates in industrial areas. The study suggests that ground-level ozone, a secondary pollutant, contributed to the recovery of stratospheric ozone levels.
Wyngaard and Thompson are honored for their contributions to understanding atmospheric turbulence and ozone dynamics. They received the Carl-Gustaf Rossby Research Medal and Verner E. Suomi Award, respectively.
New research suggests that ozone gas emitted from fracturing rocks could indicate impending earthquakes. Different types of rocks produced varying amounts of ozone, with rhyolite producing the strongest emission.
The Antarctic ozone hole reached its annual peak on September 12, stretching to 10.05 million square miles, with conditions favorable for ozone depletion expected until early December. The latest analysis predicts the ozone hole will persist one to two decades longer than expected.
The Antarctic ozone hole reached its annual peak on September 12, spanning 10.05 million square miles. Despite declining levels of manmade chemicals, the hole is expected to persist one to two decades beyond this century due to natural temperature fluctuations and other factors.
A NASA-led study found unprecedented Arctic ozone loss in 2011, comparable to Antarctic ozone holes, caused by unusually low stratospheric temperatures. The researchers warn that Arctic ozone loss events may become more frequent due to climate change, posing a threat to human health and ecosystems.
A new study predicts that climate change will lead to a significant increase in ozone-related deaths in several European countries. The largest increases are expected in Belgium, France, Spain and Portugal, with predicted rises of up to 14%.
The American Thoracic Society (ATS) criticizes the White House's decision not to issue a final standard on ozone pollution, which poses significant health risks. Scientific studies have linked high ozone levels to severe respiratory issues and even premature death.
The Finnish Meteorological Institute leads two major European projects, O3M SAF and SAF on Support to Operational Hydrology and Water Management. The institute develops software and systems for processing satellite data, including products for ozone, nitrogen oxides, sulphur dioxide, and aerosols. These products support climate change ...
A new study predicts a 7.3% increase in asthma-related emergency room visits for children in the NYC metropolitan area by 2030 due to climate change. The research, led by Dr. Perry Sheffield, used regional and atmospheric chemistry models to simulate ozone levels and their impact on air quality.
A study by the USDA found that high ozone levels above 50 ppb can reduce soybean yields by at least 10 percent, resulting in significant economic losses. Satellite data provides a useful tool for monitoring ozone damage to crops in rural areas where ground networks are limited.
Despite efforts to stop ozone depletion, mysteries remain, including unexpected Arctic losses and long-lived substances affecting global warming. Scientists explore geoengineering options to cool the climate, but more research is needed to address this pressing issue.
A study found that North American soybeans have a genetic treasure trove in the form of stress-resistant soybeans from a Swedish village called Fiskeby. The Fiskeby soybeans were highly tolerant to salt, aluminum, drought, high ozone levels, iron deficiency, and toxic soil aluminum.
The NASA Aura satellite measures pollution 'butterfly' formed by nitrogen dioxide (NO2) emissions from agricultural fires in central Africa. High concentrations of NO2 were detected over the Democratic Republic of Congo and northern Angola, posing a threat to air quality and health.
The NASA Aura Satellite has tracked the spread of nitrogen dioxide from New Mexico and Arizona wildfires, providing critical data on air quality. The satellite's Ozone Measuring Instrument (OMI) detected high levels of NO2 near the Las Conchas fire in New Mexico and the Wallow Fire in Arizona.
Researchers at University of Gothenburg find climate change will significantly increase risk of ozone damage to plants due to rising ozone concentrations and higher temperatures. This can lead to premature aging and smaller harvests with lower quality for agricultural crops.
Researchers at Northern Illinois University have discovered a simple method for producing high-yield graphene using a new process that converts carbon dioxide into few-layer graphene. The technique is cost-effective and green, offering a promising alternative to existing methods.
A recent Columbia University study reveals that the ozone hole has a significant impact on tropical precipitation, affecting rainfall in the Southern Hemisphere. The research demonstrates that ozone depletion is linked to climate change, with far-reaching consequences for international agreements on mitigating global warming.
Researchers found that electric vehicle charging at night reduces ozone levels, with the nighttime charging scenario showing the best results on average. This supports efforts to develop regulation encouraging nighttime charging through variable electricity pricing.
Storing fruits and vegetables in ozone-enriched environments significantly reduces microbial spoilage, with up to 95% disease prevention after 8 days. Ozone treatment is a viable alternative to pesticides, leaving no residues on foods.
The University of Houston will retrofit 10 school buses with a new technology designed to reduce ozone pollutants emitted by diesel-powered vehicles. The goal is to achieve a 65% reduction in NOx emissions, and the study's findings will determine whether the technology can be approved for use on larger scales.
The Integrated Assessment of Black Carbon and Tropospheric Ozone identifies emission reduction measures that can immediately protect climate, public health, and ecosystems. Implementing these measures could reduce future global warming by 0.5oC and potentially halve the projected increase in global temperature by 2050.
Researchers discovered that sports stadiums and street lighting can increase daytime ozone levels, a key air pollutant in heavily populated areas. This effect is significant for cities struggling to meet stricter government air pollution limits.
Researchers discovered that bright light from sports stadiums and urban street lights can boost daytime ozone levels, a key air pollutant in many areas. Cities may need to consider the unexpected effects of night-time lighting on air quality.
Scientists have found that thirdhand smoke, the invisible remains of cigarette smoke, can react with ozone in indoor air to form potentially toxic pollutants on surfaces. This can lead to adverse health effects, particularly for vulnerable populations like babies crawling on carpet or people eating food tainted by thirdhand smoke.
Rice University researchers found that adding tiny amounts of ozone to single-walled carbon nanotubes decorates them with oxygen atoms, enhancing their near-infrared fluorescence intensity and shifting the wavelength. The process is simple enough for a physical chemist to do, and lab tests showed stable fluorescent properties for months.
A study has characterized a crucial chemical reaction that affects ground-level ozone formation in urban areas. The research, funded by NSF and NASA, reveals that current computer models may underestimate ozone levels in urban areas by up to 10%.
A team of scientists from Caltech and JPL have characterized a key chemical reaction affecting smog formation, suggesting current models underestimate ozone levels by 5-10%. Their findings likely impact air quality predictions, emissions regulation, and health assessments.
Scientists are struggling to explain the recent increase in Antarctic sea ice extent, with a new study suggesting that ozone depletion is not the primary cause. Meanwhile, researchers have also gained new insights into lunar topography using high-resolution data from the Lunar Orbiter Laser Altimeter. Additionally, a study on Earth's r...
Physicists at the University of Arizona have developed a new way to convert waste heat into electrical power using quantum physics. The technology holds great promise for making various devices more efficient and reducing ozone-depleting chemicals.
A new study by Berkeley Lab researchers reveals that ozone can react with nicotine in secondhand smoke to form ultrafine particles, a potential threat to asthma sufferers. These particles become major components of thirdhand smoke and can carry and deposit harmful organic chemicals deep into the lower respiratory tract.
A team of Hong Kong researchers has demonstrated that burying a layer of silver nanoparticles improves the performance of organic electronic devices. The finding is significant as it suggests a simple and cost-effective way to enhance transistor performance.
Scientists from KIT have successfully measured the chlorine compound ClOOCl in the ozone layer, confirming its role in stratospheric ozone destruction. This discovery disproves doubts on polar ozone chemistry expressed by American researchers.
The NPP satellite will collect and distribute remotely sensed data on land, ocean, and atmosphere, providing atmospheric and sea surface temperatures, humidity, and ozone measurements. The CrIS instrument will combine with the Advanced Technology Microwave Sounder to provide global atmospheric temperature, moisture, and pressure profiles.
A new study found that exposure to ground-level ozone over several weeks increased tumor necrosis factor-alpha levels and decreased heart-protective protein Cav1 in rats. This suggests a link between O3 exposure and cardiac dysfunction, highlighting the potential risks of air pollution on cardiovascular health.
Researchers predict carbon dioxide levels will double by 2050, altering plant diseases and affecting crop yields. Elevated carbon dioxide and ozone can make plants more susceptible to some diseases, but less susceptible to others.
Researchers used a computer model to show how HCFCs break down into oxalic acid, contributing to acid rain. The study highlights concerns over the environmental impact of replacing ozone-depleting substances with more potent greenhouse gases.
Kudzu's chemical reaction contributes to surface ozone pollution, causing 50% more unhealthy ozone days. The invasive vine's production of isoprene and nitric oxide exacerbates air quality issues.
Research finds that ozone and primary pollutants from traffic increase pediatric emergency department visits for asthma exacerbations. Low ozone concentrations as low as 30 ppb also show a dose-response relationship with increased hospitalizations.
Surface ozone levels in southwestern Spain consistently exceed recommended limits, affecting human and plant health. The study found daily cycles of high ozone levels during spring and summer months, with concentrations varying between stations.
NASA scientists found a significant increase in UV radiation over the past three decades, particularly in mid-and-high latitudes, attributed to declining ozone levels and increased cloudiness in the southern hemisphere. Despite this, UV levels have stabilized since the mid-1990s, with some areas seeing minimal changes.
Researchers found that changes in wind patterns drive variations in the depth of the surface layer of seawater, affecting air-sea exchange and carbon storage. This impacts biological productivity by altering nutrient availability for phytoplankton growth.
Increased frequency and intensity of oxygen-deprived 'dead zones' along the world's coasts contribute to climate change by emitting nitrous oxide into the atmosphere, exacerbating global warming. The production of nitrous oxide in these waters can lead to ozone holes and increased UV radiation exposure.
A new RAND Corporation study finds California's failure to meet air pollution standards costs over $193 million in hospital-based medical care from 2005-2007. Exposure to ozone and particulate pollution causes nearly 30,000 emergency room visits and hospital admissions.
A single layer of cells controls leaf size, with epidermal cells influencing overall size and cell division rates. Epidermal cells also affect the number of cells produced in the mesophyll layer.
Researchers at North Carolina State University developed a smart coating to improve bond between implants and bone, reducing rejection and infection risks. The coating promotes bone growth and releases antimicrobial silver particles to prevent infections.
Researchers at the University of Leeds discovered that the Antarctic ozone hole's repair may actually accelerate climate warming in the region. The formation of brighter clouds reflecting sunlight has shielded the area from carbon-induced warming over the past two decades.
A new study by NOAA and international partners found that springtime ozone levels in western North America are rising due to air flowing eastward from the Pacific Ocean, primarily from Asia. The increases could make it harder for the US to meet ozone pollution standards.
A new study links springtime ozone increases above western North America to air pollution from Asia and other regions. Researchers analyzed nearly 100,000 ozone observations to find that global atmospheric wind patterns track emissions back to broad regions of origin.
Researchers at Temple University found that low oxygen and nutrient levels are slowing the biodegradation of oil from the 1989 Exxon Valdez spill. The study suggests that the oil is not disappearing at a rate of 70% as previously thought, but rather at a rate of around 4% per year.
A new study led by Stanford researchers finds that ethanol-powered vehicles produce more ozone than gas-powered ones, particularly during winter months. The increase in ozone production is attributed to the generation of aldehydes, which are precursors to ozone and can be carcinogenic.
Researchers studying snowflake shape and chemical reactions on their surface may uncover clues about ground-level ozone loss in the Arctic. The unique shapes of snow crystals, influenced by temperature and humidity, can affect the rate of chemical reactions that reduce ozone levels at ground level.
A 30-year record low in Antarctic snowmelt was likely caused by strong positive phases for two main climate drivers, ENSO and SAM. The Antarctic snowmelt is expected to revert to higher norms as the damage to the ozone layer is repaired.
New research highlights the importance of controlling short-lived greenhouse pollutants like sulphates, methane, and black carbon to reduce global warming and improve health. The study finds that sulphates can have negative health effects while ozone pollution has a significant impact on cardiovascular mortality.
A University of California, Irvine computer model forecasts improved air quality in the Greater Los Angeles area if 75% of drivers switch to hydrogen fuel cell vehicles by 2060. The model suggests a 60% reduction in greenhouse gas emissions and lower levels of soot and ozone.
A University of Utah engineer has developed a new method to remove oil sheen from polluted water using tiny bubbles created by pressurizing ozone gas. This method, which targets the oil sheen and other pollutants, could be used to clean wastewater discharged into coastal waters and soil contaminated with heavy metals.
Using precision techniques, researchers pinpointed a single copper-oxide layer as the key to superconductivity in a material. The discovery could lead to precision engineering of ultrathin films with tunable superconductivity for higher-efficiency electronic devices.
Researchers argue that short- and medium-lived pollutants like soot, ozone, and methane contribute significantly to near-term climate change. Experts recommend adopting aggressive reduction targets for these pollutants and establishing a new treaty framework.
Research papers published in Geophysical Research Letters highlight a surge in Arctic ozone-destroying gas levels and the discovery of lunar subsurface features. Climate models are also being revised to account for ozone variations, improving our understanding of atmospheric interactions.
A new study published in Canadian Medical Association Journal suggests that air pollution may trigger appendicitis in adults. The research found correlations between high levels of ozone and nitrogen dioxide and the incidence of appendicitis among different age groups and genders.