The Working Group III report provides an updated global assessment of climate change mitigation progress and pledges, and examines the sources of global emissions. It explains developments in emission reduction and mitigation efforts, assessing the impact of national climate pledges in relation to long-term emissions goals.

The Summary for Policymakers (SPM) provides a high-level summary of the key findings of the Working Group III Report and is approved by the IPCC member governments line by line.