Glossary W

The Environmental Glossary. Letter W +++ 'Water', 'Wastewater', 'Waste'

In the environment industry, waste refers to any material that is discarded or no longer needed, and that has the potential to cause negative impacts on the environment if not properly managed. Waste can come from a wide range of sources, including households, businesses, agriculture, and industrial activities.

Wastewater refers to water that has been used in various human activities and has become contaminated or polluted as a result.

A Wastewater treatment plant is a facility with an engineered system designed to remove pollutants, such as phosphorus and nitrogen, from municipal and industrial wastewater for discharge into surface waters.

Deutsch: Wasser / Español: Agua / Português: Água / Français: Eau / Italiano: Acqua

Water is a liquid at normal temperatures but exists also solid (ice), and water vapor (cloud) in the air.

A water molecule has the formula H2O which means that two hydrogen (H) atoms and one oxygen (O) are connected.

German: Wasserfilter
Water filters are the substances (such as charcoal) or fine membrane structures used to remove impurities from water.

German: Wasserqualität
Water quality is a term used to describe the chemical, physical, and biological characteristics of water, usually in respect to its suitability for a particular purpose.

Water recycling is the reuse of water for the same application for which it was originally used.

Deutsch: Gewässer / Español: Cuerpo de agua  / Português: Corpo de água / Français: Étendue d'eau 
A body of water or waterbody (often spelled water body) is any significant accumulation of water, generally on a planet's surface. The term most often refers to oceans, seas, and lakes, but it includes smaller pools of water such as ponds, wetlands, or more rarely, puddles. 

A watershed is the land area that drains water to a particular stream, river,

German: Wetter
Weather is the specific condition of the atmosphere at a particular place and time. It is measured in terms of such things as wind, temperature, humidity, atmospheric pressure, cloudiness, and precipitation

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