The Great Barrier Reef is the world's largest coral reef system and one of the most diverse and rich ecosystems on the planet. It is now in great danger, as the Australian and Queensland governments are giving coal companies permission to dig up coal and ship it out through the Great Barrier Reef.

WWF marine advocate Bob Zuur out at night on penguin patrol as part of the Oiled Wildlife Response team.

Capt. Charles Moore of the Algalita Marine Research Foundation was the first to discover the Great Pacific Garbage Patch -- an endless floating mass of plastic trash and debris. In this first of two segments, he's drawing attention to the growing, choking problem of plastic debris in our seas.

UNICEF Goodwill Ambassador Katy Perry delivers a special weather report on the devastating effects of climate change for the world’s children.

Here's the second segment of Charles Moore's sobering report on the Great Pacific Garbage Patch. In it he draws dramatic attention to the potentially catastrophic problem posed by dumping plastic debris into our in-land waterways.

Wild Sharks continues in the mangroves of Bimini Island, the islands most valuable asset, as we learn about and follow mating nurse sharks and other ocean wildlife, including eagle rays and remoras.

This video takes a look at hydrothermal vents and the novel life forms that thrive there in the absence of sunlight, fueled by underwater volcanoes. One of these harsh environments is the Axial Seamount off the West Coast of the United States.

Here is a short animated video about the importance of fisheries for food security, health and growth in developing countries, highlighting the commitment of the EU to helping promote sustainable management of seafood resources and inclusive opportunities for trade and growth.

Arctic sea ice is a key component of our global climate system. Scientists have observed that our polar ice is melting at an alarming rate. Dire consequences may ensue for man, beast and our planet as a whole, if we don’t move to alternative non-fossil sources of energy. View this informative video from Greenpeace.

Gruber's team of researchers work day and night. In this episode they record a shark's vital statistics while it's in a state of tonic immobility. Before releasing it, they take a DNA sample. Enjoy!

The team's divers conclude their filming and come back to the surface unharmed. We learn more about current developments in the prevention of shark attacks.

The Prince of Wales has set up a rainforest project in order to protect the remaining rainforests on this earth. He talks about the seriousness of climate change and how it will affect our lives and the lives of our children and grandchildren. He appeals to us to support him and his project.

Prince Charles launches a campaign to save the rainforests in an online video broadcast, featuring Hollywood stars Robin Williams, Daniel Craig and Harrison Ford, as well as Princes Harry and William.

A film about the global sustainability work of The Prince's Charities, founded by HRH The Prince of Wales.

Sharkwater is a documentary about man’s relationship with sharks and about a journey, undertaken by Rob Stewart, in order to explore the life of sharks and to find out, why they are being wiped out.