Environmental Impact
Warning lights on ground-based towers and buildings contribute to both light pollution and towerkill of birds.
Read more about this topic: Aircraft Warning Lights
Famous quotes containing the word impact:
“The question confronting the Church today is not any longer whether the man in the street can grasp a religious message, but how to employ the communications media so as to let him have the full impact of the Gospel message.”
—Pope John Paul II (b. 1920)