We should all care. Our future is strongly linked with the state of the world's oceans. Without the ocean our Earth would be a big desert, like the moon and planet Mars. The ocean is Earth's life support which has taken billions of years to form. Without water there cannot be life. Without the oceans there would be no forests, no grasslands, no clouds, no winds, no fish, no people. The sea supports our planet. It determines our weather and climate , controls temperature, and gives to the atmosphere the water vapour that eventually falls back ....