For an elderly man in West Africa, it is the comfort of hearing his wife’s voice on his long journey to receive cancer treatment. For villagers in Peru, it is an emergency lifeline following a devastating earthquake.
Research shows that weather-related emergencies, such as floods, significantly increase internal migration in Costa Rica. An increase of one hydro-meteorological emergency raises migration rates between 0.7 and 0.11 percentage points. Therefore, migration can be a potential adaptation strategy when faced with weather-related emergencies, with people moving to less vulnerable places.