Assisted migration (AM) is a conservation approach in which species threatened by anthropogenic climate change are protected through moving them outside their indigenous range to areas where they would be predicted to move as climate changes, were it not for lack of time. The discussion on the topic has mainly revolved around the biological feasibility and risks, legal challenges, and ethical justification of AM. Here, a brief history of this interdisciplinary topic and the main disagreements and uncertainties surrounding it is provided.