In today's episode, we'll talk about how European cities are lit up at night. Public lighting 💡 has been a big topic in recent years, not only in discussions between experts (astronomers, chronobiologists, environmentalists...), but also between residents of cities, towns and villages with the relevant authorities and ministries.
The replacement of street lamps, and mostly orange 🟠 sodium lamps with LED white lights, disrupts the circadian rhythm not only for us but also for wild species (fauna 🐝and flora 🌳). So let's see what it looks like in cities like Bratislava, Ljubljana, Milan and Zurich. It's almost unbelievable, judge for yourself 👆🏻
Do you think Prague is still doing well? 🤔Do you have your own experience with white light disturbing you at night? There is a solution, and we have positive examples here in the video.
If this issue appeals to you and you would like to be of help yourself, or you are dealing with replacing orange sodium lamps with LED white lights in your neighbourhood, visit www.bilesvetlo.cz/. There you will find complaint documents that can be sent to the relevant authorities, and there will soon be the opportunity to become part of the civic association Light into Darkness, which will give you much more legal power as an individual to promote lighting that reduces the negative impact on nature and people.
Content:
00:00:00-00:01:47 Introduction and one of the things that can be done if you are bothered by white light from the street while falling asleep
00:01:47-00:08:46 Bratislava - SNP Bridge and Lužný Most - could it get any worse?
00:08:46-00:10:46 Bratislava bike path intervention
00:10:46-00:13:17Chromaticity Control Temperature (CCT) and its shortcomings
00:13:17-00:186:06 Ljubljana and examples of good practice
00:16:06-00:18:36 Milan - yes, it could be worse
00:18:36-00:23:51 Zurich and comparison with Prague
00:23:51- End of the trip and final message
Article on surrogate chromaticity temperature and why it is not a good indicator of the biological effectiveness of lights: www.spectrasol.cz/svetlo-jako...
Study on the effect of light at night on insects and pollinators:
1) Knop, E. et al. (2023): Artificial light at night as a new threat to pollination; hal.science/hal-03947729/docu...
2) Hallman CA, et al. (2017): More than 75 percent decline over 27 years in total flying insect biomass in protected areas; pubmed.ncbi.nlm.nih.gov/29045...
3) Sánchez de Miguel, A. et al. (2022): Environmental risks from artificial nighttime lighting widespread and increasing across Europe; pubmed.ncbi.nlm.nih.gov/36103...
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Негізгі бет Light Podcast #7: "Milan, it's white as day at night..." or the way light shines in Europe 🇪🇺
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