Animal or vegetable residues that contain significant amounts of nitrogen. Source: World Bank

Gases consisting of one molecule of nitrogen and varying numbers of oxygen molecules. Nitrogen oxides …

Product of combustion from transportation and stationary sources and a major contributor to acid deposition …

The result of nitric oxide combining with oxygen in the atmosphere. A major component of …

The process whereby ammonia in wastewater is oxidized to nitrite and then to nitrate by …

A gas formed by combustion under high temperature and high pressure in an internal combustion …

A compound containing nitrogen which can exist in the atmosphere or as a dissolved gas …

Decreasing the acidity or alkalinity of a substance by adding to it alkaline or acidic …

Means the visible high watermark of any lake, river, stream or other body of water …

The relationship between the amount of pollution produced and the amount of raw material processed. …