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Article: Carrot & stick
- Article from:
- Vegetarian Times
- Article date:
- October 1, 2000
- Author:
CopyrightCopyright Sabot Publishing, Inc. Oct 2000. Provided by ProQuest LLC. (Hide copyright information)
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A STICK to the U.S. Navy for introducing a system to detect enemy submarines that will blast whales and other sea creatures with deafening noise. The system works by bombarding the ocean with intense low-frequency sound waves that penetrate hundreds of square miles. Just one of the system's transmitters can generate sound thousands of times above the level shown to cause seizures in human divers. In fact, tests by the Navy itself show that just 120 decibels of sonar noise (the sound of an ambulance siren) can cause gray whales to swerve off their migration routes. Environmentalists fear that this noise pollution will also cause whales to cease their beautiful vocalizations, which they use ...
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