Climate change, driven by increases in human-produced greenhouse
gases and particles (collectively referred to as GHGs), is the most
serious environmental issue facing society. The need to reduce GHGs
has become urgent as heat waves, heavy rain events, and other
impacts of climate change have become more frequent and severe.
Since the Paris Agreement was adopted in 2015, more than 136
countries, accounting for about 80% of total global GHG emissions,
have committed to achieving net-zero emissions by 2050. A growing
number of cities, regional governments, and industries have also
made pledges to reduce emissions. Providing decision makers with
useful, accurate, and trusted GHG emissions information is a
crucial part of this effort. This report examines existing and
emerging approaches used to generate and evaluate GHG emissions
information at global to local scales. The report develops a
framework for evaluating GHG emissions information to support and
guide policy makers about its use in decision making. The framework
identifies six criteria or pillars that can be used to evaluate and
improve GHG emissions information: usability and timeliness,
information transparency, evaluation and validation, completeness,
inclusivity, and communication. The report recommends creating a
coordinated repository or clearinghouse to operationalize the six
pillars, for example, by providing timely, transparent, traceable
information; standardized data formats; and governance mechanisms
that are coordinated, trusted, and inclusive of the global
community. Table of Contents Front Matter Summary 1 Introduction 2
Current Approaches for Quantifying Anthropogenic Greenhouse Gas
Emissions 3 Structural and Technical Limitations of the Current
Greenhouse Gas Emissions Information Landscape 4 Framework for
Evaluating Greenhouse Gas Emissions Information 5 Recommendations
References Appendix A: Acronyms, Initialisms, and Glossary Appendix
B: Atmospheric Observations: Methods and Examples Appendix C:
Contributors of Input to the Study Appendix D: Biographical
Sketches of Committee Members Appendix E: Disclosure of Unavoidable
Conflicts of Interest
General
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