The rise in sea level is a visible and remorseless indicator of global warming, the consequences of which can be experienced worldwide - in contrast to other effects of climate change that are not yet noticeable at a larger scale.

The book illustrates, in an impressive way, the ecological, commercial, and social impact associated with the rise in sea levels, taking the examples of the American East Coast and the Gulf of Mexico: the author has documented this region from his Cessna between 2005 and 2018 using large-format aerial photography. The pictures illustrate the different conditions of the areas documented at different times of the year, before and after major weather events, and thereby provide evidence of how dramatically the geography and landscape are altered due to climate change.