Michel Roggo / Illulissat harbour with container ship, which brings goods twice a year. Ilulissat Icefjord UNESCO World Heritage Site, Greenland. August 2014. Photographed for The Freshwater Project

Frederique Olivier / Container ship passing through a fjord, Patagonia, Chile.

Pascal Kobeh / A diver on the wreck of the Vera K, a Lebanese freighter, sunk in 1974 on the reef near Paphos, Cyprus, Mediterranean Sea

Tony Wu / Blue whale (Balaenoptera musculus brevicauda) at surface with ship travelling in the shipping lane along the coast of Sri Lanka, Indian Ocean.

Kirkendall-Spring / Freighter ship anchored, Elliot Bay, with the city of Seattle in the background. Washington, USA, February 2015.

Brent Stephenson / Container ship, MV Rena, approximately 14 hours after becoming grounded on Astrolabe Reef, off of the Port of Tauranga, Bay of Plenty, New Zealand, October 2011.

Brent Stephenson / Aerial view of the container ship, MV Rena, approximately 14 hours after becoming grounded on Astrolabe Reef, off of the Port of Tauranga, Bay of Plenty, New Zealand, October 2011.

Michael Pitts / Inter Island container ship, aground and wrecked, Yonaguni Island, East China Sea, Japan. February 2014.

Michael Pitts / Inter Island container ship, aground and wrecked, Yonaguni Island, East China Sea, Japan. February 2014.

Loic Poidevin / Container Ships, Prince Rupert Harbour, British Columbia, Canada, June 2013.

Loic Poidevin / View of the container ship AS Valdivia in Prince Ruppert Harbour, used to ship grain and coal from Canada to China, British Columbia, Canada, June 2013.

Staffan Widstrand / Shipping terminal with large freight ship, Pulicat Lake, Tamil Nadu, India, January 2013.