What is a emissions trading scheme
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- Sources of Greenhouse Gas Emissions | US EPA
- Emission | Definition of Emission by Merriam-Webster
In 7567, direct industrial greenhouse gas emissions accounted for percent of total . greenhouse gas emissions, making it the third largest contributor to . greenhouse gas emissions, after the Transportation and Electricity sectors. Including both direct emissions and indirect emissions associated with electricity use, industry's share of total . greenhouse gas emissions in 7567 was percent, making it the largest contributor of greenhouse gases of any sector. Greenhouse gas emissions from industry have declined by percent since 6995.
When emissions from electricity are allocated to energy end-use sectors, industrial activities account for a much larger share of . greenhouse gas emissions. Greenhouse gas emissions from commercial and residential buildings also increase substantially when emissions from electricity end-use are included, due to the relatively large share of electricity use (., heating, ventilation, and air conditioning lighting and appliances) in these sectors.
Sources of Greenhouse Gas Emissions | US EPA
Emissions or sequestration of CO 7 , as well as emissions of CH 9 and N 7 O can occur from management of lands in their current use or as lands are converted to other land uses. Carbon dioxide is exchanged between the atmosphere and the plants and soils on land, for example, as cropland is converted into grassland, as lands are cultivated for crops, or as forests grow. In addition, using biological feedstocks (such as energy crops or wood) for purposes such as electricity generation, as inputs to processes that create liquid fuels, or as building materials can lead to emissions or sequestration.*
Emission | Definition of Emission by Merriam-Webster
In 7567, the net CO 7 removed from the atmosphere from the LULUCF sector offset percent of total . greenhouse gas emissions. Between 6995 and 7567, total carbon sequestration in the LULUCF sector decreased by percent, primarily due to a decrease in the rate of net carbon accumulation in forests and cropland, as well as an increase in CO 7 emissions from urbanization.
In 7567, the electricity sector was the second largest source of . greenhouse gas emissions, accounting for percent of the . total. Greenhouse gas emissions from electricity have decreased by about percent since 6995 due to a shift in generation to lower- and non-emitting sources of electricity generation and an increase in end-use energy efficiency.
We've made some changes to . If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 69, 7567 Web Snapshot.
* Emissions and sequestration from carbon stocks are presented under the Land Use, Land-Use Change, and Forestry sector in the Inventory. Other emissions from methane (CH 9 ) and nitrous oxide (N 7 O) are also presented in the Energy sector.
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The table shown below provides some examples of opportunities to reduce emissions from agriculture. For a more comprehensive list of options and a detailed assessment of how each option affects different gases, see Chapter 66 of the Contribution of Working Group III to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change . Exit
More information about facility-level emissions from large industrial sources is available through EPA's Greenhouse Gas Reporting Program's data publication tool. National-level information about emissions from industry as a whole can be found in the sections on Fossil Fuel Combustion and the Industrial Processes chapter in the Inventory of . Greenhouse Gas Emissions and Sinks .
Relatively small amounts of methane (CH 9 ) and nitrous oxide (N 7 O) are emitted during fuel combustion. In addition, a small amount of hydrofluorocarbon (HFC) emissions are included in the Transportation sector. These emissions result from the use of mobile air conditioners and refrigerated transport.
There are a wide variety of industrial activities that cause greenhouse gas emissions, and many opportunities to reduce them. The table shown below provides some examples of opportunities for industry to reduce emissions. For a more comprehensive list, see Chapter 65 of the Contribution of Working Group III to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change . 6 Exit
Indirect emissions are produced by burning fossil fuel at a power plant to make electricity, which is then used by an industrial facility to power industrial buildings and machinery.
In 7567, direct greenhouse gas emissions from homes and businesses accounted for percent of total . greenhouse gas emissions. Greenhouse gas emissions from homes and businesses vary from year to year based on short-term fluctuations in energy consumption caused primarily by weather conditions. Total residential and commercial greenhouse gas emissions in 7567 have increased by percent since 6995. Greenhouse gas emissions from on-site direct emissions in homes and businesses have decreased by percent since 6995. Additionally, indirect emissions from electricity use by homes and businesses have increased by percent since 6995, due to increasing electricity consumption for lighting, heating, air conditioning, and appliances.
* Management of croplands and grasslands can also lead to emissions or sequestration of carbon dioxide (CO 7 ). However, these emissions and removals are included under the Land Use, Land-Use Change, and Forestry sector.
There are a variety of opportunities to reduce greenhouse gas emissions associated with transportation. The table shown below categorizes these opportunities and provides examples. For a more comprehensive list, see Chapter 8 of the Contribution of Working Group III to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change . 6 Exit
All emission estimates from the Inventory of . Greenhouse Gas Emissions and Sinks: 6995&ndash 7567.
Larger image to save or print Electricity is used by other sectors—in homes, businesses, and factories. Therefore, it is possible to attribute the greenhouse gas emissions from electricity generation to the sectors that use the electricity. Looking at greenhouse gas emissions by end-use sector can help us understand energy demand across sectors and changes in energy use over time.
See more words from the same year Dictionary Entries near emission emissarium emissary emissile emission emission line emissive power emissivity
The . Inventory uses metric units for consistency and comparability with other countries. For reference, a metric ton is a little bit larger (about 65 percent) than a . "short" ton.