When seas rise, beaches disappear. And even setting climate change aside, scientists predict a twenty-five–thirty centimeters rise in ocean levels by the end of this century. And for each two and a half centimeters the ocean rises, a beach gets on average one meter narrower. You may add to that sinking coastal lands, increasing violent storms, and humans interfering with natural beach architecture by dredging channels and building seawalls and jetties, and you'll have a recipe for … [Read more...]