Automotive

Reducing aircraft noise: One decibel at a time

In mid-December 2023, a demonstration in Ireland revealed the strength of public concerns about noise caused by commercial airplanes. Protesters gathered outside the county offices where the Dublin Airport Authority was discussing ...

Engineering

An eco-friendly solar-driven protocol solves water-oil separation

The discharge of nuclear wastewater from Japan has drawn concern and condemnation from countries around the world. As a result, the issue of marine pollution is once again in the spotlight. Among the traditional marine environmental ...

Business

Austrian Airlines to get 600-mln-euro rescue package

Austrian Airlines will receive a 600-million-euro ($677 million) rescue package to mitigate the effects of the coronavirus pandemic, the government said Monday, but also announced new rules to make aviation more climate-friendly.

Engineering

Remote-sensing technology to detect emissions from passing cars

Air pollution levels remain dangerously high in various parts of the world. According to the World Health Organization, 9 out of10 people breathe air containing high levels of pollutants, such as particulate matter and nitrogen ...

Energy & Green Tech

'AirBubble' offers respite from Warsaw pollution

At a new playground in central Warsaw, algae feast on pollutants and carbon dioxide to provide a bubble of clean oxygen in a city ranked as one of the most polluted capitals in the EU.

Computer Sciences

Algorithms combat environmental pollution from ships

Algorithms can help with the prevention of air pollution and ships sinking in the sea. A team of Leiden University researchers have worked together with the Dutch Ministry of Infrastructure and Water Management to look into ...

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Pollutant

A pollutant is a waste material that pollutes air, water or soil, and is the cause of pollution.

Three factors determine the severity of a pollutant: its chemical nature, its concentration and its persistence. Some pollutants are biodegradable and therefore will not persist in the environment in the long term. However the degradation products of some pollutants are themselves polluting such as the products DDE and DDD produced from degradation of DDT

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