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Glossary O

The Environmental Glossary. Letter O +++ Popular Articles: 'Overall Confidence:', 'Oral Exposure:', 'Ozone'

Organic Contaminants

Organic Contaminants are Carbon -based chemicals, such as solvents and pesticides, which can get into water through runoff from cropland or Discharge from factories.

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Organic farming

Deutsch: Ökologischer Landbau / Español: Agricultura orgánica / Português: Agricultura orgânica / Français: Agriculture biologique / Italiano: Agricoltura biologica

Organic farming in the environmental context refers to an agricultural system that seeks to provide fresh, healthy, and environmentally sustainable food by following practices that are designed to minimize harm to the environment. This method of farming emphasizes the use of natural processes and materials to enhance ecological Balance and biodiversity, avoiding most synthetic pesticides, fertilizers, genetically modified organisms (GMOs), antibiotics, and growth hormones.

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Organic fertilizer

An Organic fertilizer is Organic material such as Manure or compost, applied to cropland as a source of plant nutrients.

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Organic Material

An Organic Material is Substances containing plant or animal substance.

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Organisation

Deutsch: Organisation / Español: Organización / Português: Organização / Français: Organisation / Italiano: Organizzazione

Organisation in the environment context refers to an entity, either governmental or non-governmental, that operates with the purpose of addressing environmental issues and promoting sustainability. These organisations work at local, national, or international levels and can vary in size, scope, and objectives. They are involved in a wide range of activities, including conservation efforts, environmental advocacy, research, policy development, and education on sustainable practices.

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Organism

Deutsch: Lebewesen / Español: Ser vivo / Português: Organismo / Français: Organisme / Italiano: Organismo vivente

An organism is any form of life and may be defined as a contiguous living system consisting of one or more cells, that is capable of reproduction, growth and development, self-Regulation (or homeostasis) and responding to stimuli.

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Organism classification

Deutsch: Organismeneinteilung / Español: Clasificación de organismos / Português: Classificação de organismos / Français: Classification des organismes / Italiano: Classificazione degli organismi

Organism classification is a systematic framework used in environmental sciences to categorize living entities based on shared characteristics, evolutionary relationships, and ecological roles. This hierarchical structure enables researchers, conservationists, and policymakers to analyze biodiversity, assess ecosystem health, and implement targeted management strategies. By standardizing nomenclature and taxonomic ranks, organism classification facilitates cross-disciplinary collaboration and ensures consistency in environmental monitoring and reporting.

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Orthophosphate

An orthophosphate is Inorganic phosphorus dissolved in water.

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Other Pesticide Chemicals

An OTHER PESTICIDE CHEMICALS is Chemicals registered as pesticides but which are produced and marketed mostly for other purposes, i.e., multi-use chemicals.

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Outdoor Air Supply

An OUTDOOR AIR SUPPLY is air brought into a building from the outdoors (often through the ventilation system) that has not been previously circulated through the system. Also known as

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