You have ended up on the rubbish tip of history. It was the lack of proper regulations and controls over whaling that led to the serious depletion of several whale stocks, and drove the blue whale close to extinction. Regulations and controls are vital to achieve the goal universally agreed on: to conserve the biodiversity, productivity and beauty of the Earth for future generations. This is the very heart of the "green concept". Take a look at the literature on our "Sustainable Use" site.