Apo Reef marine park opened for tourists to help generate funds for its protection as well as provide an alternative livelihood for hundreds of fishermen in the area. All people accessing Apo Reef need to pay an environmental fee. Apo Reef Apo Reef is a coral reef system in the Philippines situated on the western waters of Occidental Mindoro province in the Mindoro Strait. Encompassing , it is by no means the world's second-largest contiguous coral reef system, but is the largest in the country. The reef and its surrounding waters are protected areas in the country administered as the Apo Reef
Osborne Reef Osborne Reef Osborne Reef is an artificial reef off the coast of Fort Lauderdale, Florida, constructed of concrete jacks in a -diameter circle. In the 1970s, the reef was the subject of an ambitious expansion project utilizing old and discarded tires. The project ultimately failed, and the "reef" has come to be considered an environmental disaster—ultimately doing more harm than good in the coastal Florida waters. In 2007, after several false starts, cleanup efforts began when the United States military took on the project. This cleanup exercise provides the military with a real-world training environment for their diving and recovery