Light pollution is a growing issue. Over the past 25 years, artificial lighting has surged by 49% worldwide. For perspective, the brightness of the night sky has risen by almost 10% per year over the last 12 years. Around 80% of the global population is now affected by light pollution.
This is bad news, as light pollution is associated with a range of health problems, such as sleep disorders, fatigue, anxiety and deprivation.
