Global Anthropogenic Non – CO2 Greenhouse Gas Emissions – 1990 – 2020 (informative)
Free download Global Anthropogenic Non – CO2 Greenhouse Gas Emissions – 1990 – 2020
Authors of: Global Anthropogenic Non – CO2 Greenhouse Gas Emissions – 1990 – 2020
UEPA
Elizabeth Scheehle
Table of Contents in Global Anthropogenic Non – CO2 Greenhouse Gas Emissions – 1990 – 2020
Section 1 of the report provides an introduction and overview of non-CO2 greenhouse gas emissions, starting with a general introduction and moving into a discussion of emission sources. The report outlines the approach used to estimate emissions, along with limitations and the organization of the report. The section concludes by highlighting key topics such as regional emission trends and global datasets.
Section 2 presents a summary of the results, offering estimates of non-CO2 greenhouse gas emissions and highlighting trends across regions, gases, and source categories. This summary provides a broad view of how emissions vary geographically and by specific gas types, such as methane, nitrous oxide, and high global warming potential (GWP) gases. It also compares these findings with other global datasets to place the estimates in a broader context.
In Section 3, the report turns to energy-related sources of non-CO2 greenhouse gases, focusing on emissions from natural gas, oil systems, coal mining, stationary and mobile combustion, and biomass combustion. Methane emissions from natural gas, oil systems, and coal mining are highlighted as significant contributors, with results provided on a source-by-source basis. The report also covers methane and nitrous oxide emissions from both stationary and mobile combustion sources, and it analyzes the contribution of biomass combustion to the overall emissions profile.
Section 4 addresses industrial emissions of non-CO2 greenhouse gases, including trends and projections. This section begins with a look at emissions from major industrial sources, then moves into a discussion of the baselines used to project future emissions. The section covers specific industrial processes, such as the production of adipic and nitric acid, which generate nitrous oxide emissions. It also examines the use of substitutes for ozone-depleting substances and the production of hydrofluorocarbons (HFCs) from HCFC-22 manufacturing. Additional industrial activities covered include emissions from electric power systems, aluminum production, semiconductor manufacturing, and magnesium production, all of which contribute sulfur hexafluoride (SF₆) and perfluorocarbons (PFCs) to the atmosphere.
Section 5 focuses on agriculture, another significant source of non-CO2 greenhouse gas emissions. Key emission sources in agriculture include nitrous oxide from agricultural soils and methane from enteric fermentation and rice cultivation. The report provides detailed descriptions and results for each of these sources. Additionally, manure management is highlighted as a contributor to both methane and nitrous oxide emissions, and other agricultural sources are considered as well. The agricultural sector is a major emitter of non-CO2 gases, and the section provides valuable insights into the role that farming practices play in global emissions.
In Section 6, the report turns to waste management and its contribution to non-CO2 greenhouse gas emissions. Landfilling of solid waste is a significant source of methane emissions, and the report provides a thorough description and analysis of emissions from this sector. Wastewater treatment is another important source of methane, while domestic wastewater contributes nitrous oxide emissions. The section concludes by examining other non-agricultural sources of methane and nitrous oxide, which are less prominent but still relevant to the overall emissions picture.
Section 7 details the methodologies used to compile and estimate both historical and projected emissions of non-CO2 greenhouse gases. The section provides an overview of the data sources used for these estimates, including specific methodologies for key gases like methane and nitrous oxide. The report breaks down emissions from various sectors, including natural gas and oil systems, coal mining, combustion, biomass burning, and agriculture. For each sector, the methodology used to estimate emissions is explained in detail. This section also outlines the approaches used to project future emissions of high GWP gases, such as HFCs, PFCs, and SF₆, offering insights into the future trajectory of emissions based on different scenarios and baselines.
Section 7.3 explores the approaches used for projecting emissions of high global warming potential gases, with a focus on technology adoption and “no-action” baselines. Specific sources covered in this section include emissions from the use of substitutes for ozone-depleting substances, HFC-23 emissions from HCFC-22 production, and SF₆ emissions from electric power systems and magnesium production. The report also examines PFC emissions from aluminum production and provides estimates for emissions from semiconductor manufacturing.
The report contains references at the end of each section to support the data, methodologies, and projections presented throughout. These references are critical for verifying the accuracy of the emissions estimates and for ensuring transparency in the methodologies used.
In conclusion, the report offers a comprehensive analysis of non-CO2 greenhouse gas emissions across various sectors, including energy, industry, agriculture, and waste management. It provides detailed estimates for current emissions and projections for future emissions, based on a range of scenarios and methodological approaches. By identifying key sources and trends, the report helps policymakers and researchers understand the role of non-CO2 gases in climate change and offers insights into potential strategies for reducing these emissions. The wide scope of the report, which includes data from different regions and sectors, makes it a valuable resource for anyone interested in greenhouse gas emissions and their impact on the environment.
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Free download Global Anthropogenic Non – CO2 Greenhouse Gas Emissions – 1990 – 2020
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