The marginal world
The edge of the sea is a strange and beautiful place. All through the long history of Earth it has been an area of unrest where waves have broken heavily against the land, where the tides have pressed forward over the continents, receded, and then returned. For no two successive days is the shoreline precisely...
The global thermostat
For the globe as a whole, the ocean is the great regulator, the great stabiliser of temperatures. It has been described as “a savings bank for solar energy, receiving deposits in seasons of excessive insolation and paying them back in seasons of want.” Without the ocean, our world would be visited by unthinkably harsh extremes...