Impacts generally refer to effects on lives, livelihoods, health and well-being, ecosystems and species, economic, social, and cultural assets, services (including ecosystem services), and infrastructure. Impacts may be referred to as consequences or outcomes and can be adverse or beneficial. In the model, only the type of adverse impact.

Impacts are also defined as the quantification of the overall potential damage and losses that a reference event may generate in the same area and in a set timeframe.

Effects on natural and human systems. In this report, the term ‘impacts’ is used to refer to the effects on natural and human systems of physical events, of disasters, and of climate change.

Source: https://archive.ipcc.ch/pdf/special-reports/srex/SREX-Annex_Glossary.pdf