With close to 700 exceptional photographs taken at extreme conditions at times, Joe Bunni shows the spectacular colours of animal and plant wonders located within 5 metres of the sea level –above or below. Many of the species shown here are rare and under threat; this book is not only the result of photographic feats but a moving tribute to raise awareness of ecological causes. (...)

The article:
http://www.unesco.org/new/en/natural-sciences/ioc-oceans/single-view-oceans/news/5_m_mans_future_the_sea/

The book:
http://www.calameo.com/read/000918130295505c73df1