Osborne Reef, Artificial reef near Fort Lauderdale, United States
Osborne Reef is an artificial formation off the coast of Fort Lauderdale, Florida, covering roughly 1.4 hectares of seabed at around 20 meters below the surface. Millions of car tires rest on the ocean floor, originally placed there to encourage marine life to settle and grow.
In 1974, the US Navy oversaw a project where hundreds of boats dropped thousands of bundled tires into the water to build a new reef. However, the anchors failed over time, and the tires scattered across wide stretches of the seabed.
The reef project represents a shift in environmental understanding, demonstrating how past waste management solutions can lead to current ecological challenges.
The site lies several kilometers offshore and is accessible only by boat, with visibility conditions depending heavily on weather and currents. The Florida Department of Environmental Protection coordinates ongoing cleanup operations, removing thousands of tires from the water each week.
Divers work methodically to recover loose tires that have been spread by hurricanes and currents across wide sections of the ocean floor. These tires continue to shift and can damage natural coral formations if left in place.
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