Keren Bolter, a climate, policy, and geospatial analyst for the South Florida Regional Council, presents her TEDx talk “Floating above the rising tides debate” to personnel from the Department of Homeland Security on Nov. 3, 2016 at the DHS Sustainability Expo Hour at the Miami Science Barge in Miami, Fl. The talk examines what sea rise will look like in Miami and addresses common misconceptions about sea level rise. (Coast Guard photo by Petty Officer 3rd Class Eric D. Woodall)