When a limit  is reached, then intolerable risks and impacts may occur, and additional adaptations  are required.to reduce or avoid these risks and impacts . IPCC SR1.5 defined incremental adaptation that maintains the essence and integrity of a system or process at a given scale, whereas transformational adaptation that changes the fundamental attributes of a socio-ecological system in anticipation of climate change and its impacts. When incremental adaptation is insufficient to avoid intolerable risks, transformational adaptation may be able to extend the potential to sustain human and natural systems . Transformational adaptation can allow a system to extend beyond its soft limits and prevent soft limits from becoming hard limits. This
IPCC
Climate Change 2022: Impacts, Adaptation and Vulnerability
IPCC Report