Tag: light pollution

EU petition No 0362/2018 on the possible adoption of European legislation against light pollution

EU petition No 0362/2018 on the possible adoption of European legislation against light pollution

Please read the petition by Sibylle Schroer from Stars For All. She suggests to limit light emissions to sensible levels and conduct more research on light levels used in outdoor settings. Here is the full petition, if you like to sign, here is the link to the EU petition. Here is a short article about …

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The LakeLab at Lake Stechlin: Studying the impact of artificial light at night on aquatic ecosystems

The LakeLab at Lake Stechlin: Studying the impact of artificial light at night on aquatic ecosystems

Five o’clock in the morning. Lake Stechlin is dark and silent. Only a few lights are moving at the Old Fisherhut. The LakeLab scientists are getting ready to work. We get into the boats, switch off our lights, and drive out onto the lake. After a few moments the eerie glow of the LakeLab becomes …

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An evening at the sea

An evening at the sea

If you’re at the sea, and it’s a warm night, what would you do? I would walk along the beach and take in the night with all its beauty. Start with the sound of the waves, savour the outlines of rocks, add some starlight and the moon. Perfect! Alas, these days this turns out to …

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Magic LED: Why our world gets brighter

Magic LED: Why our world gets brighter

So there has been another climate conference, where the powerful have discussed how to save our world. Main topic, was usual, is the CO2-production. Let’s be honest, most countries find it challenging to reduce their CO2-output, some flatly refuse to try. But some years ago, a light appeared at the end of the tunnel of …

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20 Watt can be too much

20 Watt can be too much

Usually LEDs are installed because they are more efficient than traditional street lights. This means you get considerably more light for the same wattage. Andrej Mohar from Dark Sky Slowenia has an example of what happens, when this efficiency is underestimated. The light in the picture comes from a 4000 Kelvin LED street light with …

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