As the shoreline erodes, one national park tries to adapt

On the southern end of Lake Michigan, Indiana Dunes National Park has seen the water levels rise five feet since 2014, hastened by human-made structures and an increase in storms brought on by climate change. Higher water marks mean more erosion to the sand dunes that have run through the area for thousands of years. Zachary Green reports on how the park is adapting to the new normal.