From the United Nations Intergovernmental Panel on Climate Change:

Climate Change 2022: Mitigation of Climate Change

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.

Summary for policymakers

Technical Summary

Full Report

Climate mitigation refers to efforts to reduce emissions.

Adaptation refers to efforts to adapt to any climate change.