Light Pollution – Sanibel Island, FL
Initially outdoor light ordinances were adopted by communities with research observatories at the urging of astronomers. But star-gazing is not the only reason for regulating night lighting. Many of Florida’s oceanfront communities have adopted lighting codes to protect the nesting sea turtles along beaches. Sea turtle hatchlings instinctively head toward light. Before electric lighting, bioluminescence and the reflection of the moon on the water made the ocean brighter than the land. But due to light pollution, hatchlings often head inland. The strict limits on street lighting on Sanibel Island aim to remedy the imbalance between the unnatural brightness of the shoreline and the natural bioluminescence of the sea.… Read More

