[Agren & Andersson 2012] Accumulation of litter and particular decomposed plant parts on top of the mineral soil. Often sub-divided into litter (S, L and F) and humus (H) horizons. This horizon consists mostly of organic matter. In forest soils, this horizon is often called forest floor

Number concentration means number of molecule per unit volume, and is used in the construction molecular_concentration_of_X_in_Y, where X is a material constituent of Y. A chemical species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. The chemical formula for o-tolualdehyde is C8H8O. O-tolualdehyde is a member of the group of aldehydes. The IUPAC name for o-tolualdehyde is 2-methylbenzaldehyde.

Mass concentration means mass per unit volume and is used in the construction mass_concentration_of_X_in_Y, where X is a material constituent of Y. A chemical species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. The chemical formula for o-cresol is C7H8O. O-cresol is a member of the group of alcohols. The IUPAC name for o-cresol is 2-methylphenol.

Number concentration means number of molecule per unit volume, and is used in the construction molecular_concentration_of_X_in_Y, where X is a material constituent of Y. A chemical species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. The chemical formula for o-cresol is C7H8O. O-cresol is a member of the group of alcohols. The IUPAC name for o-cresol is 2-methylphenol.

Mass concentration means mass per unit volume and is used in the construction mass_concentration_of_X_in_Y, where X is a material constituent of Y. A chemical species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. The chemical formula for o-xylene is C8H10. O-xylene is a member of the group of hydrocarbons known as aromatics. The IUPAC name for o-xylene is 1,2-xylene.

Number concentration means number of molecule per unit volume, and is used in the construction molecular_concentration_of_X_in_Y, where X is a material constituent of Y. A chemical species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. The chemical formula for o-xylene is C8H10. O-xylene is a member of the group of hydrocarbons known as aromatics. The IUPAC name for o-xylene is 1,2-xylene.

Mass concentration means mass per unit volume and is used in the construction mass_concentration_of_X_in_Y, where X is a material constituent of Y. A chemical species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. The chemical formula for o-tolualdehyde is C8H8O. O-tolualdehyde is a member of the group of aldehydes. The IUPAC name for o-tolualdehyde is 2-methylbenzaldehyde.

Amount fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. The chemical formula for o-cresol is C7H8O. O-cresol is a member of the group of alcohols. The IUPAC name for o-cresol is 2-methylphenol.

Amount fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. The chemical formula for o-tolualdehyde is C8H8O. O-tolualdehyde is a member of the group of aldehydes. The IUPAC name for o-tolualdehyde is 2-methylbenzaldehyde.

Amount fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. The chemical formula for o-xylene is C8H10. O-xylene is a member of the group of hydrocarbons known as aromatics. The IUPAC name for 1,2-xylene.

Number concentration means number of molecule per unit volume, and is used in the construction molecular_concentration_of_X_in_Y, where X is a material constituent of Y. A chemical species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. The chmical formula for o,p-DDD is C14H10Cl4. It is a member of the group of persistent organic pollutants (POPs). The IUPAC name is 1-chloro-2-[2,2-dichloro-1-(4-chlorophenyl)ethyl]benzene

Number concentration means number of molecule per unit volume, and is used in the construction molecular_concentration_of_X_in_Y, where X is a material constituent of Y. A chemical species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. The chmical formula for o,p-DDT is C14H9Cl5. It is a member of the group of persistent organic pollutants (POPs). The IUPAC name is 1-chloro-2-[2,2,2-trichloro-1-(4-chlorophenyl)ethyl]benzene

Number concentration means number of molecule per unit volume, and is used in the construction molecular_concentration_of_X_in_Y, where X is a material constituent of Y. A chemical species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. The chmical formula for o,p-DDE is C14H8Cl4. It is a member of the group of persistent organic pollutants (POPs). The IUPAC name is 1-chloro-2-[2,2-dichloro-1-(4-chlorophenyl)ethenyl]benzene

Mass concentration means mass per unit volume and is used in the construction mass_concentration_of_X_in_Y, where X is a material constituent of Y. A chemical species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. The chmical formula for o,p-DDT is C14H9Cl5. It is a member of the group of persistent organic pollutants (POPs). The IUPAC name is 1-chloro-2-[2,2,2-trichloro-1-(4-chlorophenyl)ethyl]benzene

Amount fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. The chmical formula for o,p-DDT is C14H9Cl5. It is a member of the group of persistent organic pollutants (POPs). The IUPAC name is 1-chloro-2-[2,2,2-trichloro-1-(4-chlorophenyl)ethyl]benzene

Mass concentration means mass per unit volume and is used in the construction mass_concentration_of_X_in_Y, where X is a material constituent of Y. A chemical species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. The chmical formula for o,p-DDD is C14H10Cl4. It is a member of the group of persistent organic pollutants (POPs). The IUPAC name is 1-chloro-2-[2,2-dichloro-1-(4-chlorophenyl)ethyl]benzene

Amount fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. The chmical formula for o,p-DDE is C14H8Cl4. It is a member of the group of persistent organic pollutants (POPs). The IUPAC name is 1-chloro-2-[2,2-dichloro-1-(4-chlorophenyl)ethenyl]benzene

Mass concentration means mass per unit volume and is used in the construction mass_concentration_of_X_in_Y, where X is a material constituent of Y. A chemical species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. The chmical formula for tetrabromo-o-chlorotoluene is C7H3Br4Cl. It is a member of the group of halogenated organics and aromatics. The IUPAC name is 1,2,3,4-tetrabromo-5-chloro-6-methylbenzene

Amount fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. The chmical formula for o,p-DDD is C14H10Cl4. It is a member of the group of persistent organic pollutants (POPs). The IUPAC name is 1-chloro-2-[2,2-dichloro-1-(4-chlorophenyl)ethyl]benzene

Amount fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. The chmical formula for tetrabromo-o-chlorotoluene is C7H3Br4Cl. It is a member of the group of halogenated organics and aromatics. The IUPAC name is 1,2,3,4-tetrabromo-5-chloro-6-methylbenzene

Number concentration means number of molecule per unit volume, and is used in the construction molecular_concentration_of_X_in_Y, where X is a material constituent of Y. A chemical species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. The chmical formula for tetrabromo-o-chlorotoluene is C7H3Br4Cl. It is a member of the group of halogenated organics and aromatics. The IUPAC name is 1,2,3,4-tetrabromo-5-chloro-6-methylbenzene

Mass concentration means mass per unit volume and is used in the construction mass_concentration_of_X_in_Y, where X is a material constituent of Y. A chemical species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. The chmical formula for o,p-DDE is C14H8Cl4. It is a member of the group of persistent organic pollutants (POPs). The IUPAC name is 1-chloro-2-[2,2-dichloro-1-(4-chlorophenyl)ethenyl]benzene

Mass concentration means mass per unit volume and is used in the construction mass_ concentration_ of_ X_ in_ Y, where X is a material constituent of Y. Precipitation is liquid or frozen water that forms in the atmosphere and falls to the earth. It comes in many forms, like rain, snow, and sleet. The chmical formula for o,p-DDE is C14H8Cl4. It belongs to the group of persistent organic pollutants (POPs). The IUPAC name is 1-chloro-2-[2,2-dichloro-1-(4-chlorophenyl)ethenyl]benzene

Mass concentration means mass per unit volume and is used in the construction mass_ concentration_ of_ X_ in_ Y, where X is a material constituent of Y. Precipitation is liquid or frozen water that forms in the atmosphere and falls to the earth. It comes in many forms, like rain, snow, and sleet. The chmical formula for o,p-DDT is C14H9Cl5. It belongs to the group of persistent organic pollutants (POPs). The IUPAC name is 1-chloro-2-[2,2,2-trichloro-1-(4-chlorophenyl)ethyl]benzene

Mass concentration means mass per unit volume and is used in the construction mass_ concentration_ of_ X_ in_ Y, where X is a material constituent of Y. Precipitation is liquid or frozen water that forms in the atmosphere and falls to the earth. It comes in many forms, like rain, snow, and sleet. The chmical formula for o,p-DDD is C14H10Cl4. It belongs to the group of persistent organic pollutants (POPs). The IUPAC name is 1-chloro-2-[2,2-dichloro-1-(4-chlorophenyl)ethyl]benzene

Mass concentration means mass per unit volume and is used in the construction mass_ concentration_ of_ X_ in_ Y, where X is a material constituent of Y. A chemical species denoted by X may be described by a single term such as "nitrogen" or a phrase such as "nox_ expressed_ as_ nitrogen". "Aerosol" means the system of suspended liquid or solid particles in air (except cloud droplets) and their carrier gas, the air itself. Aerosol particles take up ambient water (a process known as hygroscopic growth) depending on the relative humidity and the composition of the particles. The chmical formula for o,p-DDD is C14H10Cl4. It is a member of the group of persistent organic pollutants (POPs). The IUPAC name is 1-chloro-2-[2,2-dichloro-1-(4-chlorophenyl)ethyl]benzene

Mass concentration means mass per unit volume and is used in the construction mass_ concentration_ of_ X_ in_ Y, where X is a material constituent of Y. A chemical species denoted by X may be described by a single term such as "nitrogen" or a phrase such as "nox_ expressed_ as_ nitrogen". "Aerosol" means the system of suspended liquid or solid particles in air (except cloud droplets) and their carrier gas, the air itself. Aerosol particles take up ambient water (a process known as hygroscopic growth) depending on the relative humidity and the composition of the particles. The chmical formula for o,p-DDE is C14H8Cl4. It is a member of the group of persistent organic pollutants (POPs). The IUPAC name is 1-chloro-2-[2,2-dichloro-1-(4-chlorophenyl)ethenyl]benzen

Mass concentration means mass per unit volume and is used in the construction mass_ concentration_ of_ X_ in_ Y, where X is a material constituent of Y. A chemical species denoted by X may be described by a single term such as "nitrogen" or a phrase such as "nox_ expressed_ as_ nitrogen". "Aerosol" means the system of suspended liquid or solid particles in air (except cloud droplets) and their carrier gas, the air itself. Aerosol particles take up ambient water (a process known as hygroscopic growth) depending on the relative humidity and the composition of the particles. The chmical formula for o,p-DDT is is C14H9Cl5. It is a member of the group of persistent organic pollutants (POPs). The IUPAC name is 1-chloro-2-[2,2,2-trichloro-1-(4-chlorophenyl)ethyl]benzene

Mass concentration means mass per unit volume and is used in the construction mass_ concentration_ of_ X_ in_ Y, where X is a material constituent of Y. A chemical species denoted by X may be described by a single term such as "nitrogen" or a phrase such as "nox_ expressed_ as_ nitrogen". "Aerosol" means the system of suspended liquid or solid particles in air (except cloud droplets) and their carrier gas, the air itself. Aerosol particles take up ambient water (a process known as hygroscopic growth) depending on the relative humidity and the composition of the particles. The chmical formula for tetrabromo-o-chlorotoluene is C7H3Br4Cl. It belongs to the group of halogenated organics and aromatics. The IUPAC name is 1,2,3,4-tetrabromo-5-chloro-6-methylbenzene

Mass concentration means mass per unit volume and is used in the construction mass_ concentration_ of_ X_ in_ Y, where X is a material constituent of Y. "Gas and particle" means a system consisting of both gas and suspended liquid or solid particles in air (except cloud droplets). The chmical formula for o,p-DDT is is C14H9Cl5. It is a member of the group of persistent organic pollutants (POPs). The IUPAC name is 1-chloro-2-[2,2,2-trichloro-1-(4-chlorophenyl)ethyl]benzene

Mass concentration means mass per unit volume and is used in the construction mass_ concentration_ of_ X_ in_ Y, where X is a material constituent of Y. "Gas and particle" means a system consisting of both gas and suspended liquid or solid particles in air (except cloud droplets). The chmical formula for tetrabromo-o-chlorotoluene is C7H3Br4Cl. It belongs to the group of halogenated organics and aromatics. The IUPAC name is 2-chloronaphthalene

Mass concentration means mass per unit volume and is used in the construction mass_ concentration_ of_ X_ in_ Y, where X is a material constituent of Y. "Gas and particle" means a system consisting of both gas and suspended liquid or solid particles in air (except cloud droplets). The chmical formula for o,p-DDD is C14H10Cl4. It is a member of the group of persistent organic pollutants (POPs). The IUPAC name is 1-chloro-2-[2,2-dichloro-1-(4-chlorophenyl)ethyl]benzene

Mass concentration means mass per unit volume and is used in the construction mass_ concentration_ of_ X_ in_ Y, where X is a material constituent of Y. "Gas and particle" means a system consisting of both gas and suspended liquid or solid particles in air (except cloud droplets). The chmical formula for o,p-DDE is C14H8Cl4. It is a member of the group of persistent organic pollutants (POPs). The IUPAC name is 1-chloro-2-[2,2-dichloro-1-(4-chlorophenyl)ethenyl]benzen

The applied science which deals with the chemical, biochemical, physical, physiochemical, and biological properties of foods.

The atmospheric sciences study the dynamics, physics and chemistry of atmospheric phenomena and processes, including the interactions of the atmosphere with soil physics, hydrology and oceanic circulation. The research focuses on the following areas: turbulence and convection, atmospheric radiation and remote sensing, aerosol and cloud physics and chemistry, planetary atmospheres, air-sea interactions, climate, and statistical meteorology.

The science that deals with the earth or any part thereof; includes the disciplines of geology, geography, oceanography and meteorology, among others.

Council Directive 92/43/EEC of 21 May 1992 on the conservation of natural habitats and of wild fauna and flora that ensures the conservation of a wide range of rare, threatened or endemic animal and plant species, as well as rare and characteristic habitat types for conservation in their own right

Directive prescribing the maximum amounts of nitrogen that can be applied to land in the form of animal manure in order to prevent further nitrate pollution

Factual, circumstantial and, often, comparative knowledge concerning various goods, services or events, their quality and the entities producing them.

A binding rule or body of rules prescribed by a government to regulate the employment and tactics of police or other civil agents organized to maintain order, prevent and detect crimes and promote obedience to civil regulations and authority.

International rules regulating air transportation.

A binding rule or body of rules prescribed by a government to regulate any extensive area of woodland, for the protection and preservation of game, timber and other forest resources.

The study of the nature, behaviour, and use of materials applied to science and technology.

Directive 2000/60/EC establishing a framework for Community action in the field of water policy

The science that treats the occurrence, circulation, distribution, and properties of the waters of the earth, and their reaction with the environment.

Any agreement which gives rise to relationship of landlord and tenant (real property) or lessor and lessee (real or personal property). Contract for exclusive possession of lands or tenements for determinate period. Contract for possession and profits of lands and tenements either for life, or for certain period of time, or during the pleasure of the parties.

laws to reduce the damages to ecosystems, resources, or people more generally, arising from human activity

The ongoing, public discussion and dispute over the uses of energy.

A legal agreement between two or more parties of employers and workers that outlines the administrative or supervisory work that is expected in exchange for certain payments and working conditions.

Directive that define the legislative basis for the assessment and management of air quality in Member States

directive that defines the different categories of waste (municipal waste, hazardous waste, non-hazardous waste and inert waste) and applies to all landfills whose aim is to prevent or reduce negative effects on the environment, in particular on surface water, groundwater, soil, air, and on human health by introducing stringent technical requirements for waste and landfills

A binding rule or body of rules prescribed by a government to protect human health and the environment, manage growth and development or enhance the quality of life in small geographical and social areas within cities where residents share values and concerns and interact with one another on a daily basis.

rules laid down by the European Union (EU) for the monitoring, assessment and management of the quality of bathing water, and for the provision of information on that quality to reduce and prevent the pollution of bathing water and to inform European citizens of the degree of pollution

International rules and conventions relating to air transportation.

A written account on the level of integrity and conditions of the ecosystem and natural resources in a given region, usually presented by an official person or body mandated to protect human health and the environment in that region.

Law that settles the rules concerning the disposal, recycling and treatment of wastes.

European legislation aimed at safeguarding public health and protecting the aquatic environment in coastal and inland areas from pollution

Law enacted to reduce the incidence among workers of personal injuries, illnesses, and deaths resulting from employment.

The exchange of information about health or environmental risks among risk assessors and managers, the general public, news media, interest groups, etc.

EU Directive with the aim to contribute to coherence between, and to ensure the integration of environmental concerns into, the different policies, agreements and legislative measures which have an impact on the marine environment

A written or printed text furnishing proposals or procedures for the improvement of living conditions, especially housing, for the inhabitants of a city or densely populated area.

EC Directive proposed on 15 July 1992 aiming at harmonizing national measures concerning the management of packaging and packaging waste; the directive covers all packaging placed on the market.

Directive regulating the placing of biocidal products on the market.

Rules on the handling of articles or substances capable of posing a significant risk to health, safety, or property, and that ordinarily require special attention when being transported.

Group of sciences including sociology, anthropology, psychology, pedagogy, etc. as opposed to the humanistic group.

legislation establishing an overall policy for the production and promotion of energy from renewable sources in the EU, requiring Member States to submit national renewable energy Action Plans with detailed roadmaps of how each Member State expects to reach its legally binding 2020 target for the share of renewable energy in their final energy consumption

A system of interrelated persons and devices linked to permit the exchange of data or knowledge concerning natural resources, human health and other ecological matters.

Law concerning the assessment of the effects of certain public and private projects on the environment, based on the EC Directive n. 85/337.

Rules concerning the limits of pollutant emissions.

Knowledge communicated or received concerning any aspect of the ecosystem, the natural resources within it or, more generally, the external factors surrounding and affecting human life.

The interdisciplinary study of environmental problems, within the framework of established physical and biological principles, i.e. oriented toward a scientific approach.

Council Directive of 27 June 1985 on the assessment of the effects of certain public and private projects on the environment (85/337/EEC). The Directive applies to projects which are likely to have significant effects on the environment by virtue of their nature, size or location.

A detailed statement which, to the fullest extent possible, identifies and analyses, among other things, the anticipated environmental impact of a proposed action and discusses how the adverse effects will be mitigated.

Data concerning pollutants released into the environment from a permanent or mobile installation or from products.

A science based on living organisms collectively.

Information concerning the state or condition of the environment.

Knowledge or a service providing knowledge concerning actual and proposed laws, including approval status, the history and content of deliberative proceedings and the specific language of those laws.

An account or statement, usually in writing, describing in detail events, situations or conditions pertaining to the ecosystem, its natural resources or any of the external factors surrounding and affecting human life.

The study of the behaviour of organisms.

Rules concerning fishing activities; in international law the matter is ruled by the 1958 Geneva Convention.

Rules concerning the movement of goods or persons by sea, railway or road.

Determination of the quantity and character of the wastes discarded by a community, by spot sampling procedure.

Administrative Act giving the right to take private property for public use.

A community or natural assemblage of organisms; often used as an alternative to ecosystem but strictly is the fauna/flora association excluding physical aspects of the environment.

EC Directive establishing the rules relating to water for human consumption.

A binding rule or body of rules prescribed by government to establish measures to keep humans and natural resources safe from harmful exposure to energy waves released by nuclear materials, electromagnetic current and other sources.

Action, device or announcement that serves to give caution or notice to the level of air pollutants typically associated with oxidants in a given area.

A binding rule or body of rules prescribed by a government to regulate the potentially harmful activity of enterprises concerned with the extraction and processing of precious or valuable metals.

A binding rule or body of rules prescribed by a government pertaining to matters of importance to residents of sparsely populated regions, especially agricultural and other economic issues.

Directive concerning the use and management of water resources for a rational economical and social development and the protection of the related environmental features.

EC Directive whose main object concerns waste prevention, recycling and transformation into alternative energy sources.

A binding rule or body of rules prescribed by a government to reduce or eliminate the lead content in petroleum fuels used in vehicular and other engines that pollute the air with lead-carrying exhaust.

A judicial or administrative interpretation of a provision of a statute, order, regulation, or ordinance. May also refer to judicial determination of admissibility of evidence, allowance of motion, etc.

Government or management prescribed rule for the disposal and recycling of electric parts, circuits and systems, especially computer devices.

A fund of information on a particular subject or group of related subjects, divided into discrete documents and usually stored in and used with a computer system.

A rule or order prescribed by government or management to promote the safety, legality or ecological responsibility of any aspect of the process or industry of ore extraction.

An ordinance or decree regarding an area of ecological habitat that is characterized by a high degree of uniformity in its environmental conditions and in its distribution of plants and animals.

A law or body of laws enacted that pertains to or establishes an obligation, debt or responsibility for loss, penalty, evil, expense or burden.

A formal announcement and, often, a request for permission to the proper governmental authorities of the intention to convey across political borders potentially harmful materials that have been left over from manufacturing or testing processes.

Regulation designed to identify and control of risks deriving from existing chemicals. According to this program the main goal is the collection of basic information about existing chemicals including their uses and characteristics, environmental fate and pathways, toxicity and ecotoxicity.

All living biomass above the soil including stem, stump, branches, bark, seeds and foliage.

A body of rules or orders prescribed by a government or an international organization or treaty establishing levels of hazardous materials in the environment or in ingestible substances beyond which human exposure is deemed health-threatening.

A binding rule or body of rules prescribed by government to regulate public services and the competing claims of residential, commercial and industrial interests in municipal areas generally characterized by moderate to high population density.

A graphic representation of a city area or other densely populated region, portraying the location of groups or select types of people in their environment through various geographic techniques.

A binding rule or body of rules prescribed by a government to regulate the outflow and disposal of spent or used water from a home, community, farm or industry that contains dissolved or suspended matter.

A coordinated assemblage of people, devices or other resources designed to exchange data or knowledge concerning any aspect of the ecosystem, the natural resources within or, more generally, the external factors surrounding and affecting human life.

1) Concern for the environment and its protection. 2) Theory emphasizing the primary influence of the environment on the development of groups or individuals. It stresses the importance of the physical, biological, psychological, or cultural environment as a factor influencing the structure or behaviour of animals, including humans. In politics, this has given rise in many countries to Green Parties, which aim to " Preserve the planet and its people".

A binding rule or body of rules prescribed by government to establish and regulate provisions for the minimization of waste generation through recovery and reprocessing of re-usable products.

A binding rule or body of rules prescribed by a government to protect, preserve or renew an area's natural habitats or ecosystem.

A binding rule or body of rules prescribed by a government to manage and protect an area's natural water supply and waterways.

An investigation, especially a formal one conducted into a matter of public utility by a body constituted for that purpose by a government, local authority, or other organization.

A binding rule or body of rules prescribed by a government to protect and prevent the loss of an area's surface layer of decomposed rock and organic material, valued for its nutrients and ability to support life.

United Nations Conference on Environment and Development, Rio de Janeiro, Brazil, 1992.

A binding rule or body of rules prescribed by a government to regulate the production, use or clean-up of materials that pose a threat to human health and the environment, particularly materials that are toxic, corrosive, ignitable, explosive or chemically reactive.

A body of rules or orders prescribed by government, management or an international organization or treaty in which limits are established for the emission of substances that harm or adversely alter the environment and human health.