Environment statistics

Environment statistics

The development of methodologies and data collection in support of the development and harmonization of national and international statistics on the environment.

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Environment statistics

nitrogen oxide (NOx)

Environment; Environment statistics

Product of combustion from transportation and stationary sources. It is a major contributor to acid depositions and the formation of ground-level ozone in the troposphere.

water treatment

Environment; Environment statistics

1. (prior to first use) process to render water withdrawn from any source suitable for first use. 2. waste-water treatment by mechanical, biological and advanced procedures.

conservation of mass

Environment; Environment statistics

Term referring to the first law of thermodynamics which states that matter is neither created nor destroyed by any physical process. See also materials and energy balances.

fen

Environment; Environment statistics

Type of wetland that accumulates peat deposits. Less acidic than bogs, fens derive most of their water from the underground, so that they are rich in calcium and magnesium.

diatomaceous earth

Environment; Environment statistics

Chalklike material (fossilized diatoms) used to filter out solid wastes in waste-water treatment plants. It is also used as an active ingredient in some powdered pesticides.

primary energy consumption

Environment; Environment statistics

Direct use at the source, or supply to users without transformation, of crude energy, that is, energy that has not been subjected to any conversion or transformation process.

geologic hazard

Environment; Environment statistics

Extreme natural events in the crust of the earth that pose a threat to life and property, for example, earthquakes, volcanic eruptions, tsunamis (tidal waves) and landslides.