In 1996, NOAA scientists pumped 2 dyes beneath Key Largo to learn where groundwater went; 18 days later, 2 bay-side wells showed it flowed toward the Atlantic

By the mid-1990s, seagrass die-offs and deteriorating water quality had caused coral reefs throughout the Florida Keys to show signs of decline for years, leading scientists to search for explanations other than the apparent ones like boat traffic and coastal