greenhouse gases (emission of greenhouse gases )

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• Emission Reduction Unit — (ERU) refers to the reduction of greenhouse gases, particularly under Joint Implementation, where it represents one tonne of CO2 equivalent reduced. It is asserted that emission of carbon dioxide is the main cause of global warming (via the… …   Wikipedia

• Greenhouse gas inventory — Greenhouse gas inventories are a type of emission inventory that are developed for a variety of reasons. Scientists use inventories of natural and anthropogenic (human caused) emissions as tools when developing atmospheric models. Policy makers… …   Wikipedia

• Emission standard — Emission standards are requirements that set specific limits to the amount of pollutants that can be released into the environment. Many emissions standards focus on regulating pollutants released by automobiles (motor cars) and other powered… …   Wikipedia

• emission — UK US /ɪˈmɪʃən/ noun ENVIRONMENT ► [C, usually plural] an amount of something, especially a gas that harms the environment, that is sent out into the air: emissions of sth »The bill is intended to lower emissions of greenhouse gases.… …   Financial and business terms

• Greenhouse gas — Simple diagram of greenhouse effect. A greenhouse gas (sometimes abbreviated GHG) is a gas in an atmosphere that absorbs and emits radiation within the thermal infrared range. This process is the fundamental cause of the greenhouse effect.[1] …   Wikipedia

• Greenhouse effect — The Greenhouse effect refers to the change in the thermal equilibrium temperature of a planet or moon by the presence of an atmosphere containing gas that absorbs infrared radiation. [ [http://www.ipcc.ch/pdf/assessment report/ar4/syr/ar4 syr… …   Wikipedia

• Emission inventory — An emission inventory is an accounting of the amount of pollutants discharged into the atmosphere. An emission inventory usually contains the total emissions for one or more specirfic greenhouse gases or air pollutants, originating from all… …   Wikipedia

• Emission factor — An emission factor can be defined as the average emission rate of a given pollutant for a given source, relative to the intensity of a specific activity. Emission factors are used to derive estimates of air pollutant or greenhouse gas emissions… …   Wikipedia

• Greenhouse gas emissions by the United States — Atmospheric Carbon Dioxide versus Time …   Wikipedia

• greenhouse effect — 1. an atmospheric heating phenomenon, caused by short wave solar radiation being readily transmitted inward through the earth s atmosphere but longer wavelength heat radiation less readily transmitted outward, owing to its absorption by… …   Universalium

• greenhouse gas — noun a gas that contributes to the greenhouse effect by absorbing infrared radiation • Syn: ↑greenhouse emission • Hypernyms: ↑gas • Hyponyms: ↑chlorofluorocarbon, ↑CFC, ↑carbon dioxide, ↑ …   Useful english dictionary