The sea feeds and sustains us, but everywhere we look marine life is under threat, from Caribbean reefs to arctic fisheries to the deepest regions of the sea. In this passionate paean to the sea and its creatures one of the world’s foremost marine conservation biologists tells the story of man and the sea, considers the impact of fishing and ocean acidification, rising tides and warming seas, plastics and shifting currents, and reveals what we must do now to preserve our precious oceans.