26 August, 2021

Global evidence of constraints and limits to human adaptation


Adelle Thomas, Emily Theokritoff, Alexandra Lesnikowski, Diana Reckien, Kripa Jagannathan, Roger Cremades, Donovan Campbell, Elphin Tom Joe, Asha Sitati, Chandni Singh, Alcade C. Segnon, Brian Pentz, Justice Issah Musah-Surugu, Cristina A. Mullin, Katharine J. Mach, Leah Gichuki, Eranga Galappaththi, Vasiliki I. Chalastani, Idowu Ajibade, Raquel Ruiz-Diaz, Caitlin Grady, Matthias Garschagen, James Ford, Kathryn Bowen and Global Adaptation Mapping Initiative Team

In this paper, we conducted a systematic review of 1,682 academic studies on human adaptation responses to identify patterns in constraints and limits to adaptation for different regions, sectors, hazards, adaptation response types, and actors.

Using definitions of constraints and limits provided by the Intergovernmental Panel on Climate Change (IPCC), we find that most literature identifies constraints to adaptation but that there is limited literature focused on limits to adaptation.

Central and South America and Small Islands generally report greater constraints and both hard and soft limits to adaptation.

Technological, infrastructural, and ecosystem-based adaptation suggest more evidence of constraints and hard limits than other types of responses.

Individuals and households face economic and socio-cultural constraints which also inhibit behavioural adaptation responses and may lead to limits.

Finance, governance, institutional, and policy constraints are most prevalent globally.

These findings provide early signposts for boundaries of human adaptation and are of high relevance for guiding proactive adaptation financing and governance from local to global scales.