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A Structured Approach for the Mitigation of Natural Methane Emissions—Lessons Learned from Anthropogenic Emissions

Authors
  • johannisson, jonas
  • hiete, michael
Publication Date
Apr 22, 2020
Identifiers
DOI: 10.3390/c6020024
OAI: oai:mdpi.com:/2311-5629/6/2/24/
Source
MDPI
Keywords
Language
English
License
Green
External links

Abstract

Methane is the second most important greenhouse gas. Natural methane emissions represent 35&ndash / 50% of the global emissions budget. They are identified, measured and categorized, but, in stark contrast to anthropogenic emissions, research on their mitigation is largely absent. To explain this, 18 problems are identified and presented. This includes problems related to the emission characteristics, technological and economic challenges, as well as problems resulting from a missing framework. Consequently, strategies, methods and solutions to solve or circumvent the identified problems are proposed. The framework covers definitions for methane source categorization and for categories of emission types and mitigation approaches. Business cases for methane mitigation are discussed and promising mitigation technologies briefly assessed. The importance to get started with methane mitigation in the different areas is highlighted and avenues for doing so are presented.

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