Associated Press: Living in a coastal town or city with seawalls and docks on the waterfront, it can be difficult to notice the sea level rise by increments each year. But effects of higher sea level are very clear down a winding dirt road in Georgetown County where acres of what was once a forested wetland have morphed into a salt marsh of dead trees jutting toward the sky. "When you go into the field, you really see a lot of trees dying. That's the first thing that catches your eye," said Alex Chow, who teaches...