US Supreme Court overturns proposed sonar usage ban

Environmental groups in the United States have failed to restrict the use of mid-frequency active (MFA) sonar by the US Navy (USN) in its training areas off the coast of California, following a ruling by the US Supreme Court on 12 November. The Natural Resources Defense Council (NRDC), a leading environmental group, has claimed that MFA sonar harms marine mammals, causing death or serious injury

[first posted to http://jdw.janes.com - 14 November 2008]