Coastal and estuary flooding is caused by high sea tidal surges and waves that damage and infiltrate coastal defences. Severe cases can be caused by tsunami, hurricanes or tropical cyclones.
Cities and coastal areas are woefully unprepared for the kind of climate and disaster risk now facing our world.
Coastal regions are most at danger from hurricanes.
This applies anywhere, not just in the coastal U.S..
Coastal and inland california have become two increasingly different states - economically, culturally and philosophically.
I know a number of coastal trails in downeast Maine, all of them interesting.
Estuaries are coastal bays, harbors, sounds and lagoons, places where rivers meet the sea.