1. The document discusses light pollution and its effects on wildlife. It notes that artificial light at night can disrupt natural biorhythms and confuse or disorient nocturnal animals. 2. Examples are given of how light pollution has impacted certain species, such as sea turtles that hatch facing the artificial glow of cities rather than the ocean. 3. The passage calls for greater responsibility in lighting to reduce excess light and prevent harm to wildlife while still providing illumination where needed.