Green Terms

Glossary of Green Terms





See Erectile Dysfunction
Also see: Erectile Dysfunction, Erectial Dysfunction , Impotence

An Earthquake is a sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust or volcanic action.The sudden release of energy in the Earth's crust creates seismic waves.

In ecological risk assessment, Ecological Entity is a general term referring to a species, a group of species, an ecosystem function or characteristic, or a specific habitat or biome.

Ecological Exposure is the exposure of a non-human organism to a stressor.

Ecological Impact is the effect that a man-caused or natural activity has on living organisms and their non-living (abiotic) environment.

Ecological Indicator is a characteristic of an ecosystem that is related to, or derived from, a measure of biotic or abiotic variable, that can provide quantitative information on ecological structure and function. An indicator can contribute to a measure of integrity and sustainability.

Ecological Integrity: A living system exhibits integrity if, when subjected to disturbance, it sustains and organizes self-correcting ability to recover toward a biomass end-state that is normal for that system. End-states other than the pristine or naturally whole may be accepted as normal and good.

Ecological Risk Assessment is the application of a formal framework, analytical process, or model to estimate the effects of human actions(s) on a natural resource and to interpret the significance of those effects in light of the uncertainties identified in each component of the assessment process. Such analysis includes initial hazard identification, exposure and dose-response assessments, and risk characterization.

See Environmental Sustainability

Ecology refers to the relationship of living things to one another and their environment, or the study of such relationships.

Economic Poisons are chemicals used to control pests and to defoliate cash crops such as cotton.

Ecosphere is the "bio-bubble" that contains life on earth, in surface waters, and in the air. (See: biosphere.)

Ecosystem is the interacting system of a biological community and its non-living environmental surroundings.

Efficacy is the amount of energy service or useful energy delivered per unit of energy input. Often used in reference to lighting systems, where the visible light output of a luminary is relative to power input; expressed in lumens per Watt; the higher the efficacy value, the higher the energy efficiency. Source: U.S. Department of Energy Office of Energy Efficiency and Renewable Energy

Under the First Law of Thermodynamics, efficiency is the ratio of work or energy output to work or energy input, and cannot exceed 100 percent. Efficiency under the Second Law of Thermodynamics is determined by the ratio of the theoretical minimum energy that is required to accomplish a task relative to the energy actually consumed to accomplish the task. Generally, the measured efficiency of a device, as defined by the First Law, will be higher than that defined by the Second Law. Source: U.S. Department of Energy Office of Energy Efficiency and Renewable Energy

Also see: Electromagnetic Radiation, EMFs

Electromagnetic radiation can be classified into ionizing radiation and non-ionizing radiation, based on whether it is capable of ionizing atoms and breaking chemical bonds. Ultraviolet and higher frequencies, such as X-rays or gamma rays are ionizing. Non-ionizing radiation is eitherelectrical and biological.

Electric and magnetic Fields, also known as EMFs are invisible lines of force created whenever electricity is generated or used. EMFs are produced by power lines, electric wiring, and electric equipment and appliances. .

An Emission is pollution discharged into the atmosphere from smokestacks, other vents, and surface areas of commercial or industrial facilities; from residential chimneys; and from motor vehicle, locomotive, or aircraft exhausts.

Emissions Inventory is a list of air pollutants emitted into a community

Emissions Trading: The creation of surplus emission reductions at certain stacks, vents or similar emissions sources and the use of this surplus to meet or redefine pollution requirements applicable to other emissions sources. This allows one source to increase emissions when another source reduces them, maintaining an overall constant emission level. Facilities that reduce emissions substantially may "bank" their "credits" or sell them to other facilities or industries.


Also see: Electromagnetic Radiation, EMFs, Geopathic Radiation, Geopathogenic Radiation

Energy Audit is the process of determining energy consumption, by various techniques, of a building or facility. Source: U.S. Department of Energy Office of Energy Efficiency and Renewable Energy

Energy performance contracts are generally financing or operating leases provided by an Energy Service Company (ESCo) or equipment manufacturer for energy-saving installations. What distinguishes these contracts is that they provide a guarantee on energy savings from the installed retrofit measures, and they usually also offer a range of associated design, installation, and maintenance services. Source: U.S. Department of Energy Office of Energy Efficiency and Renewable Energy

You can use the energy performance ratings of windows, doors, and skylights to tell you their potential for gaining and losing heat, as well as transmitting sunlight into your home. Source: U.S. Department of Energy Office of Energy Efficiency and Renewable Energy

Energy Services Company is a company that offers to reduce a client

Energy Star is a joint program of the U.S. Environmental Protection Agency (EPA) and the U.S. Department of Energy helping us all save money and protect the environment through energy efficient products and practices. In 1992 EPA introduced ENERGY STAR as a voluntary labeling program designed to identify and promote energy-efficient products to reduce greenhouse gas emissions. Source: Energy Star

Environment is the sum of all external conditions affecting the life, development and survival of an organism.

Environmental Assessment is an environmental analysis prepared pursuant to the National Environmental Policy Act to determine whether a federal action would significantly affect the environment and thus require a more detailed environmental impact statement.

Environmental Audit is an independent assessment of the current status of a party's compliance with applicable environmental requirements or of a party's environmental compliance policies, practices, and controls.

The U.S. Environmental Protection Agency (EPA)

Ecological or Environmental Sustainability refers to the maintenance of ecosystem components and functions for future generations.


EPA: see Environmental Protection Agency

Erectial Dysfunction or Erectile Dysfunction is a condition involving difficulty achieving or keeping an erection.

Erectile Dysfunction, ED, or male impotence is sexual dysfunction characterized by the inability to develop or maintain an erection of the penis sufficient for satisfying sexual activity
Also see: E D, Erectial Dysfunction , Impotence

Erosion is the wearing away of land surface by wind or water, intensified by land-clearing practices related to farming, residential or industrial development, road building, or logging.

Ethanol (CH3-CH2OH) is a clear, colorless, flammable oxygenated hydrocarbon. Ethanol is typically produced chemically from ethylene, or biologically from fermentation of various sugars from carbohydrates found in agricultural crops and cellulosic residues from crops or wood. It is used in the United States as a gasoline octane enhancer and oxygenate (blended up to 10 percent concentration). Ethanol can also be used in high concentrations (E85) in vehicles designed for its use. Source: Energy Information Administration

Eye Diseases or Disorders are conditions of the eyes where there is blindness and low vision or conditions of the eyes that can lead to The leading causes of blindness and low vision. Examples are glaucoma, cataracts, detached retina

See Eye Diseases

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