We demand a lot from our oceans -- from fishing and tourism, to shipping and energy development. These human uses and the environmental needs of the sea have been governed haphazardly -- overseen by more than 140 laws and 20 agencies, each with different goals and often conflicting mandates. But our oceans and coasts are stressed from problems like pollution, depleted fish populations, dying coral, endangered species, warmer temperatures and ocean acidification. If not carried out wisely, growing industrial use of these waters will lead to “ocean sprawl,” further threatening the health of our valuable marine resources and jeopardizing the food, jobs and recreation our oceans provide. By planning ahead for our human needs from the sea we can reduce conflicts and keep ocean waters and life healthy.