Reducing vulnerability of human or natural systems to climate change impacts, as well as allowing populations to benefit from opportunities that might arise from climatic changes. It involves taking practical actions to manage risks posed by consequenses of climate change, protecting communities and strenghtening the resilience of the economy, and includes shared responsibility by governments at all levels, businesses and individuals. Examples of adaptation measures include changes in infrastructure (e.g. building defences against sea-level rise or adapting buildings to extreme weather events), and behavioral changes of individuals, farmers and firms (e.g. more efficient water-use, planting drought tolerant crops and trees species less vulnerable to storms and fires, and more people and businesses buying flood insurances).   

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Ecosystem-based adaptation (EbA) - A complement to traditional adaptation measures; managing healthy and well-functioning ecosystems to enhance natural resiliance and reduce vulnerability of people to adverse impacts of climate change: (IPCCs fifth assessment report on impacts, adaptation and vulnerability)