The night sky is getting 10% brighter every year. We’re forgetting what darkness feels like

If more cities start regulating outdoor lighting, we humans could make the environment better for all living creatures

The night sky is getting 10% brighter every year. We’re forgetting what darkness feels like

TL;DR

  • Light pollution is increasing, making the night sky 10% brighter each year.
  • The author experienced a truly dark sky in Oregon's International Dark Sky Places, which is becoming rare.
  • Artificial light negatively impacts wildlife, disrupting navigation, mating rituals, and migratory patterns.
  • Light pollution also affects human health by disrupting circadian rhythms and sleep patterns.
  • Examples like Flagstaff, Arizona, demonstrate that implementing outdoor lighting regulations can help preserve darkness.
  • Growing concerns exist regarding satellite light pollution, which is not yet subject to environmental reviews.
  • Access to darkness is becoming a luxury, but can be restored through better zoning laws and lighting practices.