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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.

Ozone 255
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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. —Lead researcher Dr. Johannes Laube.

Ozone 246
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WHO issues new, lower Global Air Quality Guidelines for classical pollutants

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When action is taken on these classical pollutants—particulate matter (PM), ozone (O?), PM is primarily generated by fuel combustion in different sectors, including transport, energy, households, industry, and from agriculture. They are applicable to both outdoor and indoor environments globally, and cover all settings.

Pollution 435
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UNEP study: small number of measures targeting black carbon and tropospheric ozone could yield immediate climate benefits

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Black carbon and tropospheric ozone are harmful air pollutants that also contribute to climate change. Reducing black carbon and tropospheric ozone now will slow the rate of climate change within the first half of this century, the study said. Full implementation of these measures would reduce future global warming by 0.5 °C

Ozone 218
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Fast action on black carbon, ozone and methane could help limit global temperature rise to 2 degrees C

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Fast action on pollutants such as black carbon, ground-level ozone and methane may help limit near term global temperature rise and significantly increase the chances of keeping temperature rise below 2 °C (3.6 °F)—and sector in industrialized countries. for 2030 and beyond. Source: UNEP. Click to enlarge. °C (2.7 °F),

Ozone 218
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Maersk calls for EU enforcement of reefer legislation, pushes its Supotec foam

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Maersk Container Industry (MCI) is calling for tougher enforcement of European environmental legislation designed to protect the Earth’s ozone layer and help prevent climate change. This would benefit the environment, and it would help European innovation and environmental investments pay off. —Peter K.

Ozone 225
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HEI launches two new non-tailpipe particulate emission studies

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Emissions from automobile exhaust systems have decreased in recent years due to the introduction of cleaner fuels and new control technologies on internal combustion engines, as well as increases in numbers of hybrid and electric vehicles. HEI receives balanced funding from government and industry.

Emissions 353