This year's ozone hole could be the smallest it has been in 30 years
Inhabitat - Innovation
SEPTEMBER 17, 2019
For decades, scientists have closely observed the ozone layer, which protects Earth from the sun's harmful ultraviolet (UV) radiation.
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Inhabitat - Innovation
SEPTEMBER 17, 2019
For decades, scientists have closely observed the ozone layer, which protects Earth from the sun's harmful ultraviolet (UV) radiation.
Envirotec Magazine
SEPTEMBER 16, 2021
On 16 September, the world marked the International Day for the Preservation of the Ozone Layer. The European Space Agency (ESA) takes a closer look at this year’s ozone hole. The ozone layer in the atmosphere protects Earth from potentially harmful ultraviolet radiation. Ozone depletion is greatest at the South Pole.
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Envirotec Magazine
FEBRUARY 8, 2023
Ozone levels near the surface in urban environments are lower than expected, in the results of an Austrian research group The 40-meter-high monitoring tower of the Innsbruck Atmospheric Observatory near the centre of the city of Innsbruck continuously provides data on the composition of the atmosphere at ground level.
Forbes Green Tech
APRIL 24, 2020
The ozone layer protects us from ultraviolet (UV) radiation, but can UV fight coronaviruses.
Envirotec Magazine
FEBRUARY 16, 2022
The formation of hydrogen peroxide at the air-water interface in microdroplets is not spontaneous as previously believed but is instead driven by ozone (image credit: © 2022 KAUST). After several failed attempts to explain the conundrum, the team turned to ambient ozone as a potential actor in H2O2 formation. “I
Grist
MAY 24, 2023
The 1987 Montreal Protocol, which phased out the production and use of chemicals that were depleting the ozone layer, has long been considered one of the most successful environmental treaties in history. The Montreal Protocol was created to address a hole in the stratospheric ozone layer over the Antarctic. In a 2022 report , a U.N.
Envirotec Magazine
JANUARY 27, 2023
China is a night-time ‘hot-spot’ for the production of nitrate radicals (PNO3) that could have a major impact on health-threatening ozone and fine particulates (PM2.5) The study seems to show that, if recent increasing ozone pollution trends continue, nighttime oxidation in China will increase further even if NOx emissions are reduced.
Inhabitat - Innovation
APRIL 26, 2021
This year's installation of the American Lung Association's State of the Air report gave Los Angeles, Orange, Riverside, San Bernardino and Ventura counties an F in particle and ozone pollution.
Envirotec Magazine
SEPTEMBER 5, 2022
Record hot temperatures in the UK over the summer caused significant changes to the levels of harmful pollutants such as ozone and particulate matter, prompting a number of novel observations by the National Centre for Atmospheric Science (NCAS). Ozone events and their origins. g in rural areas, and the WHO guideline limit is 100?g.
FuelCellsWorks
SEPTEMBER 16, 2023
Hydrogen itself does not have a direct role in ozone layer preservation, but it can contribute to its protection by providing an alternative and clean source of energy when used.
Envirotec Magazine
OCTOBER 2, 2023
Over a span of two years, we artificially elevated the levels of either ozone or diesel exhaust fumes around plots of flowering black mustard plants, all within fields of non-flowering wheat. Air pollutants like ozone are highly reactive and can degrade the signals by destroying the chemicals that make up a flower’s scent.
Envirotec Magazine
SEPTEMBER 25, 2023
We’ve done it already in the 1990s, when international cooperation quickly phased out ozone-depleting chemicals and stopped the dangerous ozone hole from getting ever-bigger. We are still in the green for ozone-depleting chemicals. Three are based on what we take from the system: biodiversity loss fresh water land use.
NRDC onEarth
MAY 1, 2024
SB24-230 offers a tremendous opportunity to fund transit service through a fee on oil and gas production in Colorado—linking a key source of climate and ozone pollution with a key solution.
GreenBiz
NOVEMBER 5, 2019
A 2019 report shows seven of the top ten most ozone-choked cities in America are in California.
Envirotec Magazine
MAY 2, 2024
while minimizing the ozone generation typically produced by plasma, according to the group. Additionally, the combined NTP and WS system can minimize or eliminate secondary air pollution by capturing ozone and other gaseous intermediate organics, which are by-products of the NTP process.
Envirotec Magazine
FEBRUARY 9, 2024
and PM10), nitrogen dioxide (NO 2) nitrogen oxide (NO), carbon monoxide (CO) and ozone (O 3). Ricardo will provide expert analysis and reporting, as well as ensuring that the performance and reliability of the sensors is maximised throughout the contract. The devices will monitor particulate matter (PM 2.5
Greenability Magazine
JUNE 15, 2021
Today, Kansas City will experience its first ozone alert day of the season. When ozone pollution is high, the air is unhealthy. Ozone pollution is formed when emissions from vehicles, lawn and garden equipment and other sources react in heat and sunlight. Ozone pollution can cause wheezing, coughing and difficulty breathing.
NRDC onEarth
NOVEMBER 18, 2024
The meeting concluded with multiple important decisions that will help advance protection of the ozone layer and our climate.
Envirotec Magazine
APRIL 16, 2021
It focuses on the following air pollutants: nitrogen dioxide, particulate matter, ozone, ammonia, sulfur dioxide, black carbon, volatile organic compounds (VOCs), and carbon monoxide. In contrast, ozone levels increased. This increase was a result of atmospheric chemical processes caused by reduced nitrogen oxide levels in the air.
Grist
FEBRUARY 10, 2021
The gas, CFC-11, was banned in 2010 under the Montreal Protocol — the international treaty to eliminate substances that wreck the Earth’s protective ozone layer. Years of efforts to protect the ozone layer might be reversed if the emissions continued, experts warned. Where were the gases coming from?
Envirotec Magazine
JANUARY 14, 2021
In parallel, the lockdowns caused (weather-corrected) concentrations of ozone in cities to increase. NO2 is a key air pollutant from traffic emissions, associated with respiratory problems, while ozone is also harmful to health, and damages crops.
NRDC onEarth
NOVEMBER 8, 2023
Countries commit to nearly 1 billion dollars under the Montreal Protocol for programs to cut ozone-depleting and climate-warming substances in developing countries.
Energy Central
NOVEMBER 18, 2024
I particularly enjoyed the discussion of how countries fixed the ozone layer. "Not the End of the World" is the title of a fine book by Hannah Ritchie. So much so that I even borrowed the poorly reproduced graph of which I could not find on reverse image search. But I reinforced it with a colorful version which tells the same story.
Envirotec Magazine
SEPTEMBER 15, 2022
By changing the humidity and amount of ozone – a key pollutant indoors and outdoors – the researchers were also able to mimic the behaviour of the films over time.
The Guardian: Energy
SEPTEMBER 14, 2023
Since then progress has been made on mending the ozone layer and stopping acid rain but few are now pretending that environmental issues are non-partisan. Campaigners agreed everyone wanted to leave their children as good a planet as they inherited.
Envirotec Magazine
MARCH 20, 2020
and ground-level ozone (O?) Air pollution is the biggest environmental health risk in Europe, with the problem greatest in cities, according to the EEA. Particulate matter (PM), nitrogen dioxide (NO?) cause the most harm and lead to about 400,000 early deaths annually. One hotspot is Northern Italy, centre of Europe’s Coronavirus outbreak.
Envirotec Magazine
FEBRUARY 21, 2020
Crucial research needs to be carried out to see what the impact of space launches really is – especially given the accelerated growth of the space sector and that the magnitude of ozone depletion is relatively unknown.
Envirotec Magazine
JANUARY 22, 2021
The chemiluminescence reaction of ozone and nitric oxide causes the oxidation of nitric oxide (NO) to nitrogen dioxide (NO2) which generates photons that are measured using a photomultiplier tube. Typically, at Signal Group, the flows of ozone and sample are set in a ratio of 10:1. Ozonator design. NO2 converter. Vacuum pump.
Envirotec Magazine
JULY 6, 2021
The firm says the data will allow customers to identify nitrogen dioxide (NO2), ozone (O3), sulphur dioxide (SO2), particulate matter PM2.5 and PM10 concentrations at their homes, using the online postcode checker. The postcode checker will employ data from the MappAir® API, developed by mapping firm EarthSense.
AGreenLiving
SEPTEMBER 15, 2020
People think of the ozone layer as a past-tense environmental … The post International Day for the Preservation of the Ozone Layer appeared first on Earth 911. More: International Day for the Preservation of the Ozone Layer.
Envirotec Magazine
JANUARY 27, 2022
The study, funded by the Natural Environment Research Council, used a purpose-built fumigation facility to regulate levels of nitrogen oxides (NOx) – present in diesel exhaust fumes – and ozone in an open field environment.
Energy Central
MAY 12, 2022
Jared Polis (D) is touting his decision to let the Environmental Protection Agency downgrade the state’s ozone attainment level, calling it “good news” that a wave of new regulations will have economic consequences, including in the state’s oil and natural gas sector.
Envirotec Magazine
MAY 25, 2022
The new feature enables users to set up, manage and delete alerts for air pollutants which are appropriate to their monitoring needs, including nitrogen dioxide (NO2), ozone (O3) and particulate matter (PM1, PM2.5,
TechXplore
APRIL 2, 2024
A research team has developed a green technology for eliminating odorous volatile organic compounds (VOCs) and their by-products, such as residual ozone and formaldehyde.
altenergymag
JUNE 20, 2023
Increasing fossil fuel usage adds to the carbon footprint, further depleting the ozone layer. The government is also taking various initiatives to promote renewable energy usage and move towards a sustainable environment. The government is also providing various tax benefits and incentives which will further propel the growth of the market.
Envirotec Magazine
MARCH 17, 2021
CFCs have a high chlorine content and have been linked strongly to ozone depletion and global warming. HCFCs were considered an improvement when they were first introduced, as they have lower chlorine and make a lesser contribution to ozone depletion and global warming. Green hydrogen.
Envirotec Magazine
SEPTEMBER 20, 2023
The website offers countywide information and updates about particulate matter, nitrogen dioxide and ozone. and PM10) ozone, and nitrogen dioxide. A new Oxfordshire air quality website launched on 18 September, offering air quality guidance and resources covering the county.
Envirotec Magazine
JULY 11, 2024
A well-known example is the formation of ground-level ozone when UV light hits nitrogen oxides. The application of the spectrometer can also be transferred to other air pollutants such as nitrogen oxides and ozone and other climate-relevant trace gases. Based on this, new strategies for improving air quality could be derived.
GreenBiz
MARCH 23, 2021
Volatile organic compounds (VOCs) combine with nitrogen oxide to create ozone, a key precursor to smog. When energy use surges in the autumn and winter seasons, particulate matter and ozone increase to dangerously high levels.
Envirotec Magazine
MAY 26, 2023
EEA estimates from 2019 attributed approximately 307,000 premature deaths to fine particulate matter in the 27 EU Member States, with a further 40,400 linked to nitrogen dioxide, and 16,800 to ground-level ozone. and PM10), ozone, nitrogen dioxide, sulfur dioxide and carbon monoxide. United Nations Environment Programme.
Envirotec Magazine
JUNE 15, 2022
These gases can directly damage crop cells and indirectly affect them through their role as precursors to formation of ozone, an airborne toxin known to reduce crop yields, and particulate matter aerosols that can absorb and scatter sunlight away from crops. Nitrogen oxides, or NOx, are among the most widely emitted pollutants in the world.
Envirotec Magazine
JUNE 7, 2022
Dr Yaseen added: “The eco-friendly solution uses ozone gas to decontaminate fabrics, which subsequently helps to reduce the use of water and avoid negative environmental impacts from detergent use.
Envirotec Magazine
JUNE 30, 2022
Friday, 17 June, the hottest day of the year so far, saw unhealthy levels of Ozone across the Borough. Findings include: · Tuesday, 1 March, the day of tube strikes in London, led to high increases in rush hour NO2, as more people relied on road transport.
Envirotec Magazine
NOVEMBER 9, 2021
These work by sensing a change in resistance in the air, and have separate sensing elements for oxidising gases (like NO2 and ozone) and reducing gases (CO, VOCs, and OH-group gases). Ozone and NOx seem to present the greatest danger to human health, suggests Kiirsk.
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