Glossary C

A Clean Water Act (CWA) is an act passed by the U.S. Congress to control water Pollution (formerly referred to as the Federal Water Pollution Control Act of 1972). Public Law 92-500,

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- Clean Water Act Section 303(d) : A Clean Water Act Section 303(d) is annual report to Congress from EPA that identifies those waters for which existing controls are not sufficiently stringent to achieve applicable water quality standards.

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- Clean Water Act Section 305(b) : A Clean Water Act Section 305(b) is biennial reporting requires description of the quality of the Nation's surface waters, evaluation of progress made in maintaining and restoring water quality, and description of the extent of remaining problems by using biological data to make aquatic life use support decisions.

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A Cleaner Technologies Substitutes Assessment is a document that systematically evaluates the relative risk,

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Deutsch: Aufräumen / Español: Limpieza / Português: Limpeza / Français: Nettoyage / Italiano: Pulizia /

A Cleanup is actions taken to deal with a Release or threat of Release of a Hazardous Substance that could affect humans and/or the environment. The term "Cleanup" is sometimes used interchangeably with the terms remedial action, removal action, response action, or corrective action.
A Cleanup is restoring the site to a condition that is not dangerous to people or the environment.

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A Clear Cut is Harvesting all the trees in one area at one time, a practice that can encourage fast rainfall or snowmelt runoff, erosion, sedimentation of streams and lakes, and flooding, and destroys vital habitat.

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A Clear Well is a reservoir for storing filtered water of sufficient quantity to prevent the need to vary the filtration rate with variations in demand. Also used to provide chlorine

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A clearcutting is a logging technique in which all trees are removed from an area, typically 20 acres or larger, with little regard for long-term forest health.

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Deutsch: Spaltung / Español: Escisión / Português: Clivagem / Français: Clivage / Italiano: Scissione
In the environmental context, cleavage can refer to the natural process of splitting or fracturing in rocks and minerals along planes of weakness. This geological feature is significant in understanding soil formation, Erosion patterns, and the landscape's overall structure. Additionally, cleavage might relate to divisions or separations within environmental policies or perspectives that reflect differing priorities or approaches to environmental conservation and resource management.

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Deutsch: Klima / Español: Clima / Português: Clima / Français: Climat / Italiano: Clima /

A Climate is the average weather, usually taken over a 30 year time period, for a particular region and time period.

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