Air Pollution

Policies to curb short-lived climate pollutants could yield major health benefits

A commitment to reducing global emissions of short-lived climate pollutants (SLCPs) such as methane and black carbon could slow global warming while boosting public health and agricultural yields, aligning the Paris Climate Agreement with global sustainable development goals, a new analysis by an international research panel shows. Methane and black carbon — or soot — are the second and third ...

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New technology generates power from polluted air

Researchers from the University of Antwerp and KU Leuven (University of Leuven), Belgium, have succeeded in developing a process that purifies air and, at the same time, generates power. The device must only be exposed to light in order to function. “We use a small device with two rooms separated by a membrane,” explains professor Sammy Verbruggen (UAntwerp/KU Leuven). “Air ...

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Poor overall environmental quality linked to elevated cancer rates

Nationwide, counties with the poorest quality across five domains — air, water, land, the built environment and sociodemographic — had the highest incidence of cancer, according to a new study published in the journal Cancer. Poor air quality and factors of the built environment — such as the presence of major highways and the availability of public transit and housing ...

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Modern metabolic science yields better way to calculate indoor carbon dioxide

Measurements of indoor carbon dioxide (CO2) concentrations are used to evaluate indoor air quality, which is strongly linked to the levels of contaminants, such as gases and particles, circulating about with CO2. This information also can be used to control ventilation, which helps clean the air, and reduce the need for heating and cooling, which saves energy. However, according to ...

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Stringent exhaust gas tests for cars in Europe

As of October 2017, newly launched car models will have to pass more stringent exhaust gas tests in the EU and in Switzerland. The new test method includes measuring drives in actual traffic. Empa already tested currently available cars with the new method — with alarming results. By now, it’s no secret: the certification requirements for cars in the EU ...

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Nanoparticles can travel from lungs to blood, possibly explaining risks to heart

Tiny particles in air pollution have been associated with cardiovascular disease, which can lead to premature death. But how particles inhaled into the lungs can affect blood vessels and the heart has remained a mystery. Now, scientists have found evidence in human and animal studies that inhaled nanoparticles can travel from the lungs into the bloodstream, potentially explaining the link ...

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