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Study shows two-stroke scooters dominant source of air pollution in many cities; asymmetric polluters

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A study by European researchers has found that two-stroke (2S) scooters, although constituting a small fraction of the fleet, can dominate urban vehicular pollution through organic aerosol and aromatic emission factors up to thousands of times higher than from other vehicle classes. —Platt et al. Platt et al.

Pollution 362
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Air pollutant emission 2010 limits exceeded in twelve EU Member States; road transport NOx a main factor

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The directive covers four main air pollutants: sulphur dioxide (SO 2 ), nitrogen oxides (NO x ), non-methane volatile organic compounds (NMVOCs) and ammonia (NH 3 ). These pollutants can cause respiratory problems, contribute to the acidification of soil and surface water, and damage vegetation. —EEA Executive Director Prof.

Pollution 309
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Study finds significant proportion of childhood asthma cases may be attributable to air pollution

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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. Meeting the minimum air pollution levels for NO 2 (1.5?µg·m

Pollution 278
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New maps give Europeans close-up picture of air pollution from diffuse sources

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New online maps published by the European Commission and the European Environment Agency, in close cooperation with the Institute for Environment and Sustainability (IES) of the Joint Research Centre, allow citizens to pinpoint the main diffuse sources of air pollution, such as transport and aviation. NO x emissions from road transport.

Pollution 231
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Melting Glaciers May Release Trapped Legacy Pollutants

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Historical trends of (A) ΣPCDD/F, (B) ΣPCB, and (C) ΣDDT in sediment from Lake Oberaar and from low-altitude lakes in Switzerland, normalized relative to their maximum historical peaks. The “second peak” for Lake Oberaar supports the hypothesis of pollutant release from melting. Credit: ACS, Bogdal et al.

Pollution 186
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T&E: Rising use of private jets sends CO2 emissions soaring

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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. The report, Private jets: can the super-rich supercharge zero emission aviation?

Emissions 418
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Blackstone announces progress with printed battery cells

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Switzerland-based Blackstone Resources AG announced that it has achieved a series of important milestones for producing any kind of printed battery cells. The production of the electrodes is completely free of pollutants and reduces production costs over the long term. The necessary porosity is simply adjusted for during printing.

Batteries 468