World Oceans Day 2011

World Oceans Day is an official United Nations celebration designed to increase worldwide awareness of Earth's oceans and the ecosystems they contain. Click on images in the wildlife scene below to find a selection of Britannica's articles on ocean and marine topics ranging from the physical qualities of Earth's oceans to the organisms that inhabit them, as well as the scientists who study these beautiful places.

In This Issue:
Marine Ecosystems

Creatures of the Waters

Learn about the great diversity of animal life found in the waters around the world. View the e-book now. E-mail us at to learn more.

Here's what's being talked about on the Britannica Blog:
    In the past month, the Mississippi River valley has been swamped by record flooding. Though engineering in the wake of past deluges has prevented Old Man River from unleashing his full fury on the towns and farms of America's heartland, the consequences of the flood have nonetheless been dire.

Read more

    June 1 marks the beginning of the six-month-long hurricane season in the Atlantic. Britannica takes a look at these powerful storms, which are all technically tropical cyclones.

Read more and see additional images

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