Related topics: air pollution · air quality

Controversial approach aims to expand plastics recycling

Major chemical companies are backing pyrolysis plants that convert plastic waste into hydrocarbon feedstocks that can be turned into plastics again. The process uses high temperatures in the absence of oxygen to break down ...

New chemistry happens when dust meets pollution

It is a new chemistry found to take place in a cloud droplet, a wet aerosol, or on the surface of a dust particle. All that it takes to get started is natural events like dust storms, ocean wave action, volcanic eruptions, ...

A closer look at third-hand smoke and its risks

Using state-of-the-art techniques, researchers have gained a better understanding of the complex mix of hazardous chemicals in third-hand smoke—the residual contamination from cigarette smoking—which can linger long after ...

A warm intrusion in the Arctic causes extreme pollution levels

During the MOSAiC research expedition, conducted in the Arctic pack ice between 2019 and 2020, EPFL scientists observed an atmospheric perturbation triggered by the intrusion of a highly polluted warm air-mass. A first study ...

La Vuelta air not always healthy

The Netherlands is preparing for La Vuelta Holanda which starts on Friday 19 August. How clean is the air in the places that the peloton is visiting? Researchers from Utrecht University have mapped the annual average air ...

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