These health-related dangers are certain to increase as rising sea levels coincide with the growing elderly population along the coasts, Dr. Hauer said.In an analysis of all coastal counties in the United States, Dr. Hauer predicted that the proportion of people over 65 who lived in coastal communities would steadily rise, to about 37 percent of the population in 2100, compared with 16 percent today. That population would comprise older people moving in and younger people remaining into their later years.“Two trends we know are happening — the impact of climate change at the same time the world is aging,” Dr. Hauer said. “Those two trends, I’m afraid, will crash head-on, and …
