Explore the critical issue of light pollution and its far-reaching impacts on the environment, human well-being, and biodiversity in this comprehensive talk by Johan Eklöf, a Swedish bat scientist and writer. Delve into the effects of artificial lighting on various species, including bats, insects, sea turtles, and coral reefs, while examining the disruption of circadian rhythms and evolutionary processes. Learn about the history of lighting technology, its implications for safety and quality of life, and discover innovative solutions to mitigate light pollution. Gain insights into the importance of preserving natural darkness for ecological balance and human health, and understand how small changes in lighting practices can make a significant difference in protecting nocturnal ecosystems and restoring the beauty of dark night skies.