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TOAR shows present-day global ozone distribution and trends relevant to health; public database

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Ozone levels across much of North America and Europe dropped significantly between 2000 and 2014. People living in parts of southern Europe, South Korea and southern Japan and China also experienced more than 15 days a year of ozone levels above 70 ppb. Trends in daily maximum ozone levels (known as 4MDA8) at urban and non-urban sites.

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San José International deploys 10 Proterra electric buses in airport fleet

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Mineta San José International Airport’s (SJC) has deployed a fleet of 10 Proterra battery-electric buses that will transport passengers and their luggage between SJC’s parking lots, rental car center, and terminals. The electric bus fleet is anticipated to reduce ozone emissions by 1.1 SJC has been one of America’s fastest?growing

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Researchers identify four new man-made gases contributing to destruction of ozone layer

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A study by an international team led by scientists at the University of East Anglia have identified four new man-made gases in the atmosphere, all of which are contributing to the destruction of the ozone layer. CFCs are the main cause of the hole in the ozone layer over Antarctica. Brenninkmeijer, Paul J. Oram, Claire E.

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Study: surface ozone in India in 2005 damaged 6M tonnes of crops, enough to feed 94M people in poverty

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Ozone, the main component of smog, is a plant-damaging pollutant formed by emissions from vehicles, cooking stoves and other sources. New research shows that ozone pollution damaged millions of tons of wheat, rice, soybean and cotton crops in India in 2005. Surface ozone pollution in India damaged 6 million metric tons (6.7

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Toyota Central R&D Labs develops new ferrihydrite material that effectively removes ozone from air

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(Japan) report in the journal Angewandte Chemie the development of a mesoporous two-line ferrihydrite (2LFh)—ferrihydrite is a widespread mineral composed of iron, oxygen, and water—that could lead to a new generation of ozone filters in electrostatic devices and aircraft applications. removal; it showed about 95 % O 3.

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California adopts comprehensive strategy to meet federal ozone standard over next 15 years

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The California Air Resources Board today approved a statewide plan for attaining the federal health-based standard for ozone, typically experienced as smog. The 2022 State Implementation Plan Strategy identifies the state’s control strategy for meeting the federal 70 parts per billion, 8-hour ozone standard over the next 15 years.

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Study Links Springtime Ozone Increases Above Western North America to Emissions in Asia

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Springtime ozone distributions for 1984, 1995–2008 in the mid-troposphere (3.0–8.0 Springtime ozone levels above western North America are rising primarily due to air flowing eastward from the Pacific Ocean, a trend that is largest when the air originates in Asia. The US EPA recently proposed new tougher ground-level ozone standards.

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