The ocean covers more than two-thirds of Earth's surface, it makes life as we know it possible, and it sustains human society. Yet the global ocean is largely unexplored and unknown. What we do learn never ceases to amaze or to provoke more questions. These topics will help you begin to explore the ocean and its vital importance to Earth and everything that lives on it.
Seawater has amazing properties that help control our climate and make life on Earth possible.
Although the oceans cover most of Earth, the the tiny sliver of the coastal ocean greatly influences, and is most influenced by, human activity.
Our ocean planet is dynamic and constantly changing, sometimes resulting in dramatic threats to humans.
Ocean currents and water properties play large roles in Earth's climate and ecosystems.
Incredible diversity exists in the ocean, from microscopic organisms to the largest animals on Earth.
The global ocean provides food, minerals, and other valuable resources for human use.
Oil spills, discarded chemicals, and leaky engines are burdens to the ocean and those who try to clean it.
From plate tectonics to underwater mountain ranges spanning the globe, the seafloor and below encompasses a large field.
Researchers use a variety of instruments and tools to sample and study the ocean.