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14 Results Found

  • Article
  • Open Access
947 Views
29 Pages

23 December 2025

A well-designed nighttime lighting environment not only enhances pedestrian comfort and urban vitality but also serves as a crucial factor in creating safe and livable urban spaces. However, existing studies on pedestrian safety at night remain relat...

  • Project Report
  • Open Access
8 Citations
6,523 Views
21 Pages

Towards Insect-Friendly Road Lighting—A Transdisciplinary Multi-Stakeholder Approach Involving Citizen Scientists

  • Sibylle Schroer,
  • Kat Austen,
  • Nicola Moczek,
  • Gregor Kalinkat,
  • Andreas Jechow,
  • Stefan Heller,
  • Johanna Reinhard,
  • Sophia Dehn,
  • Charis I. Wuthenow and
  • Franz Hölker
  • + 7 authors

14 December 2021

(1) The project “Tatort Streetlight” implements an insect-friendly road light design in a four year before–after, control–impact (BACI) approach involving citizen scientists. It will broaden the stakeholder interests from sole...

  • Article
  • Open Access
4 Citations
4,381 Views
30 Pages

The quality of campus environments plays an important role in the mental health of college students. However, the impact of nighttime lighting in campus settings has received limited attention. This study examines how different landscape lighting con...

  • Article
  • Open Access
1,406 Views
12 Pages

17 August 2025

As an essential component of the built environment, outdoor artificial lighting at night, has a profound impact on visitors’ experience quality. Research on the light environment extends beyond visual effects to encompass broader psychophysiolo...

  • Article
  • Open Access
11 Citations
4,535 Views
15 Pages

26 July 2021

Anthropic pressure is one of the main drivers of landscape change and biodiversity loss. Artificial nighttime light, which can affect species behavior, is an important human-induced threat to biodiversity, but it is often ignored in ecological connec...

  • Hypothesis
  • Open Access
34 Citations
11,170 Views
18 Pages

Urban Lighting Research Transdisciplinary Framework—A Collaborative Process with Lighting Professionals

  • Catherine Pérez Vega,
  • Karolina M. Zielinska-Dabkowska and
  • Franz Hölker

Over the past decades, lighting professionals have influenced the experience of the night by brightly illuminating streets, buildings, skylines, and landscapes 24/7. When this became the accepted norm, a dual perspective on night-time was shaped and...

  • Article
  • Open Access
28 Citations
5,002 Views
25 Pages

19 January 2021

The technological innovation in the field of lighting and the need to reduce energy consumption connected to public lighting are leading many municipalities to undertake the renewal of public lighting systems, by replacing the existing luminaires wit...

  • Article
  • Open Access
9 Citations
3,970 Views
22 Pages

3 October 2023

With the transition to LED lighting technology, multispectral night-time sensors are needed to quantify the changing nightscapes, given the limitations of the panchromatic sensors. Our objective was to quantify the contribution of lighting sources as...

  • Article
  • Open Access
35 Citations
13,760 Views
24 Pages

Out of the Dark: Establishing a Large-Scale Field Experiment to Assess the Effects of Artificial Light at Night on Species and Food Webs

  • Stephanie I. J. Holzhauer,
  • Steffen Franke,
  • Christopher C. M. Kyba,
  • Alessandro Manfrin,
  • Reinhard Klenke,
  • Christian C. Voigt,
  • Daniel Lewanzik,
  • Martin Oehlert,
  • Michael T. Monaghan and
  • Franz Hölker
  • + 5 authors

20 November 2015

Artificial light at night (ALAN) is one of the most obvious hallmarks of human presence in an ecosystem. The rapidly increasing use of artificial light has fundamentally transformed nightscapes throughout most of the globe, although little is known a...

  • Article
  • Open Access
221 Views
31 Pages

Urban lighting is a fundamental element of the built environment, enabling the perception of both living and built components of the city at night. In historic city centers, effective lighting strategies play a pivotal role in enhancing visibility, l...

  • Article
  • Open Access
232 Views
22 Pages

Mapping Spectral Composition of Nighttime Lighting in Urban Green Spaces Using SDGSAT-1 NTL Data and Google Earth Imagery

  • Yuan Yuan,
  • Zhiqiang Lu,
  • Hongbo Liu,
  • Boyang Wang,
  • Yanni Xu,
  • Zhirong Zhang,
  • Jiahuan Li and
  • Bin Wu

28 February 2026

Characterizing the spectral composition of artificial light at night (ALAN) within urban green spaces (UGS) is vital for ecological conservation, yet traditional sensors often lack the requisite spatial and spectral resolution for fine-scale analysis...

  • Article
  • Open Access
23 Citations
7,389 Views
20 Pages

30 July 2020

The scope of the present paper is to promote social, cultural and environmental sustainability in cities by establishing a conceptual framework and the relationship amongst safety in urban public space (UPS), lighting and Information and Communicatio...

  • Article
  • Open Access
5 Citations
4,145 Views
17 Pages

8 March 2024

This study identifies the destination attributes of sustainable urban waterfronts that are frequently mentioned in tourists’ online reviews. We analyzed the influence of these attributes on tourists’ ratings based on stimuli–organis...

  • Article
  • Open Access
6 Citations
5,519 Views
20 Pages

17 November 2021

One recent trend in optical remote sensing is to increase observation frequencies. However, there are still challenges on the night side when sunlight is not available. Due to their powerful capabilities in low-light sensing, nightlight satellite sen...