The environmental group Basel Action Network (BAN) said the U.S. Maritime Administration has adopted a new policy effectively ending the federal artificial reefing program that allowed the scuttling of old ships for artificial reefs. The practice dates back to the 1972 Liberty Ship Act. "Since the program's inception, approximately 45 ships have been disposed of at sea, along with untold tons of toxic substances such as polychlorinated biphenyls (PCBs) and heavy ...