Since we don't yet know how fast and how high sea levels are going to rise, Berkeley urban designer Kristina Hill stresses that our strategies must be ready and be adaptive as conditions change. Rising seas pose multiple dangers. Groundwater rises on top of sea level causing inland flooding. What can we do to prepare? Kristina Hill says a fundamental principle of landscape architecture -- "dig a hole, make a mound" -- offers a time-tested strategy. (#33070)