"Since I started diving in the 1960s up to 50% of the world’s coral reefs have been lost. The remaining reefs are either severely threatened or dying and we may lose them all before 2050 – unless we act now"

David Hannan
Diver & Cinematographer
Ocean Ark Alliance

All life depends on our oceans.

Ocean Acidification is destined to be one of the biggest issues humanity has ever faced.

-- Dr J.E.N. ('Charlie') Veron
World Renowned Reef Scientist

Ocean Acidification Art Challenge 2013

Ocean Ark Alliance

OAA’s mission is to create a deeper appreciation of some of the most wondrous, yet fragile, ecosystems on our planet. Our current focus is coral reefs, coastal communities & polar biomes. Our Projects...

Ocean Ark Alliance (OAA) is a Not For Profit organisation based in Australia delivering unparalleled open access marine science & educational reference resources, digital media experiences and pioneering conservation initiatives. More about us...



From the icy polar seas to the world's most pristine coral reefs, ACID OCEAN tracks the latest in marine scientific research. Written, produced and directed by award-winning filmmaker Sally Ingleton, ACID OCEAN travels the world to explore the impact of ocean acidification. Purchase the DVD here