Portsmouth councillors have remained upbeat about progress on air quality, despite the Clean Air Zone needing to remain in place for several more years.

Transparent labeling and clear public health guidelines would make it easier for consumers to manage the risks. Officials ...

Independent air-quality tests found “no dangerous levels of air pollutants” in the Boxtown, Whitehaven or Downtown areas, Memphis city officials said Tuesday. The ...

This big methane increase matters because methane heats up the climate over 80 times more than an equivalent amount of carbon dioxide (CO 2) in the first 20 years after it is released into the ...

High time-resolution monitoring of nitrogen dioxide (NO 2) is of great importance for studying the formation mechanism of aerosols and improving air quality.Based on the Griess–Saltzman (GS) reaction, ...

As other mills move away from burning tires as fuel, Maine plants have increased the practice, according to the Environmental ...

As the Trump administration eyes rollbacks on industrial emissions limits, a new report claims paper mills are dirtier than ...

The 7-to-2 decision stressed that it did not address the merits of the dispute, and concerned only whether the producers had ...

Nitrogen dioxide, or NO 2, is a gaseous air pollutant composed of nitrogen and oxygen and is one of a group of related gases called nitrogen oxides, or NO x. Nitrogen dioxide forms when fossil fuels ...

The azide radical was identified in 1956 and a tetranitrogen complex was glimpsed in mass spectra in 2002, but its structure remains undetermined. 2 While the dinitrogen molecule is low in energy, ...

For the current refinery incident, as of 3 p.m. May 31, the highest recorded daily average sulfur dioxide level at the Route 9 station has been 2.5 parts per billion on May 26 compared to a health ...

For the first time, the seasonal peak of carbon dioxide concentrations in the atmosphere exceeded 430 parts per million (ppm) at NOAA’s Mauna Loa Observatory on Hawaii, scientists from NOAA and ...