LORIDA KEYS NATIONAL MARINE SANCTUARY -- - This 221-mile coral reef that skirts the tip of Florida -- one of the most important ecosystems on Earth -- stands near the edge of oblivion. Damaged by warming seas and pollution, more than half the reef is already dead. Now it faces a grave threat: the fallout from the exploded Deepwater Horizon oil rig.
Hundreds of thousands of gallons of oil are gushing into the Gulf of Mexico daily, followed by highly toxic chemicals meant to disperse the surface slick. While most of deadly mess is staying near Louisiana, some of it has been swept up by a warm ocean current that travels right over the coral reefs. A shift in the weather easily could shuttle more of the toxic stew toward the Keys, jeopardizing the reefs and erasing progress from years of research and aggressive conservation.
Stretching from Key Biscayne to the Dry Tortugas, the reefs draw millions of tourists from around the world, provide essential habitat for fish, help turn the sandy beaches white and protect the coast from hurricanes.
"You're not even supposed to touch the coral because it's so fragile. So what is oil going to do?" wondered Dan Goldman, a Brazilian tourist, still wet from snorkeling, after returning aboard the Cruzan Cat. The bottom line is that no one knows.
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