UN 
Recent research conducted in San Mateo County, California, demonstrates that artificial light at night significantly influences wildlife behavior more than urban noise at the periphery of cities. Analyzing data from over 35,000 camera-trap days across 61 monitoring stations, scientists found that light pollution reshapes the interactions between predators and their prey in these transitional zones.
The study highlights how illumination from urban areas disrupts natural rhythms, affecting species’ activity patterns and predator-prey dynamics. Predators may become more active or visible under artificial light, altering hunting success rates, while prey species adjust their behavior to avoid illuminated areas, potentially impacting their survival and reproduction.
These behavioral shifts carry important ecological consequences, influencing biodiversity and ecosystem balance in urban-adjacent habitats. As urban expansion continues globally, understanding the impacts of light pollution becomes crucial for wildlife conservation strategies that align with sustainable development goals, particularly SDG 15 (Life on Land).
Experts emphasize the need for integrating light pollution management into urban planning to mitigate these effects. Techniques such as shielding lights, reducing unnecessary nighttime illumination, and using wildlife-friendly lighting can help preserve natural behaviors and support coexistence between urban growth and biodiversity conservation.
This study adds to the growing body of evidence that environmental stressors associated with urbanization extend beyond noise and habitat loss, underscoring the complex challenges faced by wildlife near human settlements. Addressing light pollution is emerging as a vital component in creating sustainable urban ecosystems that safeguard both human and ecological health.
