abatement
Overview page. Subjects: Public Health and Epidemiology — Environmental Science.
Reduction or preferably elimination of public health hazards or nuisances such as environmental pollutants, noxious smells, excessive noise. Abatement is often an important activity in...
acid aerosol
Overview page. Subjects: Public Health and Epidemiology — Environmental Science.
Acidic liquid or solid particles small enough to become airborne. High concentrations can irritate the lungs and have been associated with respiratory diseases like asthma.
adjustment
Overview page. Subjects: Public Health and Epidemiology — Environmental Science.
Change or adaptation within a system that serves to accommodate the factor(s) that are promoting the change and produce a new equilibrium. A system changes when it is forced to, otherwise...
afterburner
Overview page. Subjects: Environmental Science — Public Health and Epidemiology.
Equipment used in an incinerator, in which the exhaust gases are passed through a burner to remove smoke and odours. This helps to completely combust unburned or partially burned carbon...
agglomerate
Overview page. Subjects: Environmental Science — Public Health and Epidemiology.
A collection of solid particles that adhere to one another, or a substance that aggregates into an ill-defined clump.
agro-ecosystem
Overview page. Subjects: Public Health and Epidemiology — Environmental Science.
An agricultural system viewed as an ecosystem or open system, where the objective is sustainable management of the interrelationships between system components (including crops, pastures,...
air emission
Overview page. Subjects: Environmental Science — Public Health and Epidemiology.
Release or discharge of a pollutant from a stationary source, such as a furnace stack or agricultural feedlot, or a mobile source, such as the exhaust pipe of an automobile.
air monitoring
Overview page. Subjects: Environmental Science — Public Health and Epidemiology.
A programme of sampling and measuring the pollutants present in the atmosphere at a particular place, on a continuous, regular, or intermittent basis. See also monitoring.
Air Quality Index
Overview page. Subjects: Environmental Science — Public Health and Epidemiology.
An arbitrarily defined scale used by weather forecasters (e.g., in radio and television broadcasts) that assigns a score for air quality, based on the quantity of suspended particulate...
air quality standard
Overview page. Subjects: Environmental Science — Public Health and Epidemiology.
The maximum level of air pollutants (particularly sulphur dioxide, nitrogen oxides, carbon dioxide, ground level ozone, and airborne particles), defined to protect human health and...
