Climate & Greenhouse Gas Emissions
Adaptive capacity
The ability of systems, institutions, humans and other organisms to adjust to potential damage from climate change, take advantage of opportunities, or respond to consequences.
Definition
The IPCC defines adaptive capacity as "the ability of systems, institutions, humans and other organisms to adjust to potential damage, to take advantage of opportunities or to respond to consequences." The term replaced the earlier IPCC usage "coping capacity" and has been repeatedly re-conceptualised in the research literature.
References
IPCC definition; elements of adaptive capacity (coping, adjusting, anticipation, response, transformation).
Evolution of definitions from IPCC 2001 (coping capacity) to IPCC 2022; multiple scholarly conceptualisations.
Overview
What it means
Adaptive capacity encompasses coping with short-term threats, anticipating and adjusting to future change, responding through established mechanisms such as early warning systems, and transforming organisations or societies through learning. Its determinants commonly include wealth, technology, institutions, infrastructure, information and equity.
Definitions have shifted from a nature-centric focus (IPCC 2001) towards human systems, institutions and agency (IPCC 2022).
How it is used
Assessments of climate vulnerability treat adaptive capacity as one of three components alongside exposure and sensitivity. Governments and development agencies use adaptive-capacity indicators to target adaptation finance and to design national adaptation plans; researchers map it to identify populations least able to adjust.
Why it matters
Two communities facing identical climate hazards can experience very different outcomes depending on adaptive capacity. Building it — through institutions, resources and learning — is the core of adaptation policy, and its uneven distribution is a central climate justice issue.
Definitions and controversy
No single operational definition exists; the research literature contains multiple conceptualisations, and measurement approaches differ substantially between studies.
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