One of Canada's largest growth industries is tourism and for the last decade eco-tourism has become a specialty within this industry. Travel companies throughout the world are taking their clients in ever-increasing numbers to the last remaining regions of unspoiled nature. In theory, eco-tourists witness the beauty of these areas but leave them untouched. However, do wilderness sites as popular tourist destinations represent a contradiction in terms? Bob McDonald, CBC's science specialist and host of Quirks and Quarks, looks at the whale watching industry as one example of eco-tourism and the impact it is having on the animals it targets.
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