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A sperm whale diving - photographed off the west coast of Mauritius.
Photo : Chris Johnson

December 17, 2003
'Raising Awareness in the Media'

Log Transcript

In March 2000, the Ocean Alliance launched the Voyage of the Odyssey - a five-year global study designed to gather the first-ever baseline dataset on the distributions and concentrations of synthetic contaminants through the world's oceans using sperm whales as the primary indicator species.

In addition to the research conducted onboard, one of the main purposes of the Voyage of the Odyssey is to educate people about the purposes of the scientific program conducted on the ship and to raise awareness in each region we survey about the issues affecting whales and the health of the oceans. We share these experiences through our website but many places we study have limited internet access. In order to raise awareness on a local level, we conduct tours of the Odyssey and give multi-media presentations to local schoolchildren, community members, and government officials. Also, the crew provides information about the expedition to local media - pictures, sounds, text and sometimes even video - in order share our experiences working on the ocean and the discoveries made along the way with a broad local audience.

Recently in Mauritius, there have been a number of newspaper articles written about the Odyssey's work and they have helped raise awareness of the whales we studied along the western coast of the island.

In one particular article, Odyssey Education Director, Genevieve Johnson, was interviewed by Reuters correspondent, Nita Bhalla, about the Voyage of the Odyssey. The article was published in many newpapers and websites around the world. We thought we would re-publish the article so regular viewers of this website could read what some people are saying about the Voyage highlighting the awareness being raised by the crew in the media.
-Chris Johnson

Whales Reveal Man's Damaging Impact on Oceans

By Nita Bhalla - December 8, 2003        2003 Reuters

PORT LOUIS, Mauritius (Reuters) - Sailing the world's remotest seas in search of the awesome sperm whale, the steel-hulled Odyssey has been dredging up some dark secrets about mankind's damaging impact on the oceans.

A scientific research vessel circumnavigating the globe, the 93-foot sailing boat has been tracking the giant whales in the hope that they may hide in their bulk important clues to the state of the world's seas.

The mission is not over, but the early indications are ominous. Pollutants, the debris of man's life on land, have poisoned the waters that dominate the planet.

Working for the U.S.-based Ocean Alliance, a whale conservation and research body, the Odyssey set out in March 2000 to quantify that toxicity, using tissue samples from sperm whales to indicate how polluted the waters really are.

"We chose to study the toxicity levels in sperm whales because they are one of the most abundant great whale species left on the planet and are found in all seas and oceans in the world," said Genevieve Johnson, Ocean Alliance's education director.

"We were surprised by the levels of pesticides like DDT found in our preliminary analysis of sperm whale tissue samples.

"We have completed almost four years of our five-year study and have so far taken tissue samples from about 900 sperm whales in various parts of the world."


An adult male sperm whale can reach lengths of 60 feet and weigh more than 60 tons. It is believed to be the biggest toothed predator in the world.

There are about 350,000 sperm whales around the world, but Johnson said the pesticides found in their blubber could spell danger for the species.

DDT is banned in many countries because of its harmful effect on humans and animals. It is still used widely in developing countries, sold on the black market because of its low cost and effectiveness as an insecticide.

Other toxins like polychlorinated biphenyls (PCBs) have also been found in sperm whales. Made and used on land, these are released into the environment and eventually make their way into the oceans through rivers and rainfall.

Johnson said the toxins could prevent whale fetuses from developing properly, result in high levels of sexual abnormality, cancers, birth defects or sterility.

There could also be repercussions for humans.

"The toxicants that we are finding in these whales could have serious implications for humans as we are also feeding high on the oceanic food chain," Johnson said.

Toxic fish and oceanic plants have been found to contaminate land in some parts of the world and Canada's Inuit people have been warned to stop eating fish, the staple of their diet for generations.

Studies suggest poisons are showing up in the breast milk of nursing mothers who pass them on to their babies.


The Odyssey's multi-million dollar voyage began in San Diego, California. The ship has sailed more than 30,000 miles, taking in some of the world's most remote regions on the way to its current dock in Mauritius.

From the Galapagos to the Chagos islands, Papua New Guinea to Kiribati, the eight scientists and researchers aboard are also using the epic journey to try to promote awareness of the damage wrought by humans.

"Besides researching sperm whales we link up with educational groups to give a lot of talks to students in many different countries to raise awareness about whales and ocean pollution," Johnson said.

Over the last four years, thousands of children have visited the ship to learn about marine life. For those that can't, the crew has a Web site ( and is linked via global satellite to media and educational sites.

"Children worldwide are fascinated by whales," Johnson said. "We think that by linking live to the Odyssey from the classroom, students all over the world will have the chance to participate in a voyage of discovery that is circling the globe."

The crew of the Odyssey would like to thank Nita Bhalla and Reuters for allowing us to re-print this article on our website.


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