In climate science, the term adaptation refers to various actions that help to reduce the risks associated with climate change.
In human systems, the process of adjustment to actual or expected climate and its effects, to moderate harm or exploit beneficial opportunities.
In natural systems, adaptation is the process of adjustment to the actual climate and its effects; human intervention may facilitate adjustment to the expected climate and its effects. Various types of adaptation exist, e.g. anticipatory and reactive, private and public, and autonomous and planned.