Undersea photography from a prince-turned-climate activist Nicknamed "The Green Prince," Hussain Aga Khan (born 1974) has dedicated his career to protecting and preserving marine life in all its forms. Through his involvement with the Aga Khan Agency for Habitat and the Prince Sadruddin Aga Khan Fund for the Environment, he has spearheaded efforts in disaster risk reduction and natural resource management across the globe. In recent years, Aga Khan has cultivated a private photographic practice also centered on marine and wildlife protection. This volume gathers his photographs of the ocean depths and its inhabitants, taken over several years. The eloquent narrative formed by these extraordinary images serves to inspire conversations on the global impact that oceans have on science, as well as overarching issues of environmental destruction and the extinction of species in the face of the ongoing climate crisis.