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Greenhouse gas inventories are emission inventories of greenhouse gas emissions 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 use inventories to develop strategies and policies for emissions reductions and ...
An emission inventory (or emissions inventory [1]) is an accounting of the amount of pollutants discharged into the atmosphere.An emission inventory usually contains the total emissions for one or more specific greenhouse gases or air pollutants, originating from all source categories in a certain geographical area and within a specified time span, usually a specific year.
Section 202(a)(1) of the Clean Air Act requires the Administrator of the EPA to establish standards "applicable to the emission of any air pollutant from…new motor vehicles or new motor vehicle engines, which in [her] judgment cause, or contribute to, air pollution which may reasonably be anticipated to endanger public health or welfare" (emphasis added). [3]
From the decrease in non-agricultural GHG emissions during COVID-19, the percent of the USA's GHG emissions from livestock increased from 2.6% [22] to about 5%, [23] [24] which is a smaller percentage than many other countries likely because the USA has more greenhouse gas emissions from vehicles, machines, and factories.
In 2010, Executive Order 13514 was issued, requiring Federal agencies to “measure, report, and reduce their greenhouse gas emissions from direct and indirect activities.” The Federal GHG Accounting and Reporting Guidance accompanied this order and recommended using eGRID non-baseload emission rates to estimate the Scope 2 (indirect ...
Carbon accounting (or greenhouse gas accounting) is a framework of methods to measure and track how much greenhouse gas (GHG) an organization emits. [3] It can also be used to track projects or actions to reduce emissions in sectors such as forestry or renewable energy .
The agency has also proposed a two-phase program to reduce greenhouse gas emissions for medium and heavy duty trucks and buses. [needs update] [35] In addition, EPA oversees the national greenhouse gas inventory reporting program. [36] Following the Supreme Court decision in West Virginia v.
The fugitive air pollutant emission factors from relief valves, piping valves, open-ended piping lines or drains, piping flanges, sample connections, and seals on pump and compressor shafts are discussed and included in the report EPA-458/R-95-017, "Protocol for Equipment Leak Emission Estimates" which is included in the Chapter 5 section of AP ...