A million tons of chemical weapons from two World Wars and the Cold War lie on sea beds all over the planet posing dire threats to the marine ecosystem, fish and human life. Investigators are now confronting the legacy of the ugly enterprise.
Control over water has been central to human existence and Professor Iain Stewart presents proof from Iceland to India.
Climate journalist Bernice Notenboom follows the scientists who explore critical examples of the tipping points that destabilise global climate systems, from the collapse of the Greenland icesheet to the melting Himalayan glaciers to floods and droughts in Africa.
Scientist Ingrid Visser is passionate about the six tonne orca, hunter of sharks and rays in New Zealand. She investigates why the critically endangered population is not increasing in size and finds disturbing new information about the health of our oceans.
Scots adventurer Mark Beaumont joins a team rowing a small boat to the north magnetic pole through dangerous sea ice and past deadly polar bears; an adventure only possible because of the receding arctic ice shield.
Water Brothers Alex and Tyler Miflin travel to the heart of the Great Pacific Garbage Patch - pastic waste accumulating in the north Pacific Gyre; and later the brothers journey along the holy Ganges River discovering how religion, human population and pollution intersect.
Trace the journey of the Partington collection of 19th century photos of the Whanganui Maori and their life along the river that is central to their community living.The chance discovery of the pictures linked Maori in the present with their ancestors. It also provoked a cultural clash with non-Maori over ownership of the images.
Friday March 21 at 7:00 p.m.
Explore sunbleached shores and stunning islands where extreme volatility also reigns as author Simon Reeve engages in the lives and struggles of coastal people in the region plagued by pirate ships off Somalia, conflict in Sri Lanka and the rise of militant Islam in Yemen and Sumatra,.
Ocean explorer Bob Ballard found the Titanic, the Bismark and entirely new life forms in the depths he's probed. Join his team as they journey to never before witnessed reaches of the ocean floor shining a light on the unseen abyss.
The son of the renowned conservationist revisits his father’s dives comparing the Mediterranean today with his father's time. Have Jacques Cousteau's warnings about pollution and overfishing the fragile sea been heeded?