Gas stations put sleeves on gas pump nozzles ... it provides scientists with a global view of a key piece in the smog puzzle—nitrogen dioxide (NO 2), a component of nitrogen oxides (NO x). Nitrogen ...

New research shows grain yields critical to India's food security are dragged down 10% or more in many parts of the country by nitrogen dioxide pollution from power stations that run on coal. Economic ...

It discovered that the average annual roadside concentration of nitrogen dioxide was 65 micrograms per cubic metre last year, while the general concentration of the gas was 31.8 micrograms per ...