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| Terms for subject Environment (5171 entries) |
| periphyton (A plant or animal organism which is attached or clings to surfaces of leaves or stems of rooted plants above the bottom stratum) | perifyton | |
| periurban space (Any expanse of land or region located on the outskirts of a city or town) | periurbant område | |
| permafrost ecosystem (The interacting system of the biological communities and their nonliving environmental surroundings in a climatic region where the subsoil is perennially frozen) | permafrost-økosystem | |
| permeability (The ability of a membrane or other material to permit a substance to pass through it) | permeabilitet | |
| permissible exposure limit (An exposure limit that is set for exposure to an hazardous substance or harmful agent and enforced by OSHA (Occupational Safety and Health Act) as a legal standard. It is based on time-weighted average concentrations for a normal 8-hour work day and 40 hour work week) | tillatt eksponeringsgrense | |
| permission (The license, formal consent or authorization to act on some matter, frequently validating the action as lawful or procedurally correct) | tillatelse | |
| peroxyacetylnitrate (A pollutant created by the action of sunlight on hydrocarbons and nitrogen oxides in the air. An ingredient of smog) | peroksyacetylnitrat | |
| persistence (The capacity of a substance to remain chemically stable. This is an important factor in estimating the environmental effects of substances discharged into the environment. Certain toxic substances (e.g., cyanides) have a low persistence, whereas other less immediately toxic substances (e.g., many organochlorines) have a high persistence and may therefore produce more serious effects) | persistens | |
| persistence of pesticides (The ability of a chemical to retain its molecular integrity and hence its physical, chemical, and functional characteristics in the environment through which such a chemical may be transported and distributed for a considerable period of time) | bekjempingsmiddelpersistens | |
| persistent organic pollutant | persistent organisk forurensende stoff | |
| personal responsibility | personlig ansvar | |
| pest (Any organism that damages crops, injures or irritates livestock or man, or reduces the fertility of land) | skadegjører | |
| pest control (Keeping down the number of pests by killing them or preventing them from attacking) | bekjemping | |
| pest infestation (1. The occurrence of one or more pest species in an area or location where their numbers and impact are currently or potentially at intolerable levels. 2. A sudden increase in destructiveness or population numbers of a pest species in a given area) | skadegjørerangrep | |
| pesticide (A general term for chemical agents that are used in order to kill unwanted plants, animals pests or disease-causing fungi, and embracing insecticides, herbicides, fungicides, nematicides, etc. Some pesticides have had widespread disruptive effects among non-target species) | pesticid | |
| pesticide control standard (A norm or measure applicable in legal cases pertaining to the production, dissemination or use of substances designed to mitigate or eliminate insects or small animals that harm vegetation) | standard for bekjempingsmiddelkontroll | |
| pesticide pathway (The specific or known route or vector of any chemical substance released into the environment to prevent, destroy or mitigate any pest that is directly or indirectly detrimental to harvest crops and other human interests) | vei for pesticidvandring | |
| pet (An animal which is kept in the home as a companion and treated affectionately) | kjæledyr | |
| petition right (A legal guarantee or just claim enabling a citizen or employee to compose and submit a formal written request to an authority asking for some benefit or favor or for intervention and redress of some wrong) | petisjonsrett | |
| petrochemical (Chemicals manufactured from the products of oil refineries, based largely on ethylene, propylene and butylene produced in the cracking of petrol fractions) | petrokjemikalie |