In the San Francisco Bay Area, we are a maritime region. Our nearby ocean and Bay influence everything in our lives: the air we breathe, the water we drink—and sometimes, even the weather that leads to droughts and floods. Here, we are literally "living on the edge" of climate change, as sea level rise now directly impacts the 40 cities in 9 counties that are reached by Bay waters. Climate change is here: how will we keep our heads above water?