1. Loss of the Night Network
LoNNe
Loss of the Night Network
Franz Hölker
on behalf of the COST Action ES1204
Loss of the Night Network (LoNNe)
Leibniz-Institute of Freshwater Biology and Inland Fisheries,
Berlin, Germany

2. Research efforts started
are limited to separate fields of science or national projects
lacks scientific data for
technological implementation,
nature conservation, and
human well-being

3. Loss of the Night Network (LoNNe)
Such a transdisciplinary approach required
an understanding of broader impacts of ALAN on the natural environment, human health and society,
innovations in technology and lighting concept to address these impacts of ALAN and to identify potential corrective measures

4. Loss of the Night Network (LoNNe)
The Network
Loss of the Night Network (LoNNe)
Agriculture
Astronomy
Astrophysics ,
Biogeography
Chronobiology
Communication Technology
Conservation
Design
Ecology
Geography, GIS
Law
Light Engineering
Physics
Statistics
Urban Planning
institutions from 18 countries
14 different disciplines
67 active members
biannual meetings

5. Training schools Training Schools
Intercomparison of Light Pollution Measuring Techniques
30/08-08/09/2013 in Lastovo, HR
Lighting Design Training School (LiDe3)
05/10-10/10 in Berlin, DE

6. Intercomparison Campaigns
Development of light pollution measuring techniques and models
30/08-08/09/2013 in Lastovo, HR
16-20/07/2014 Madrid, ES
21-25/03/2015 Torniella and Florence, IT
17-19/09/2015 Chelmos, EL
02-07/05/2016 Parc Astronòmic Montsec, ES

7. University of Trento, IT
Ecological field experiments
LichtOpNatur, NIOO, NL
Forest-grassland
Loss of the Night, IGB, DE
Riparian ecosystem
Ecolight,
Exeter University, UK
Grassland
ILES, IGB, DE
Lake ecosystem
SMART, IGB, DE,
University of Trento, IT
Alpine river
University of Bern, CH
Grassland

8. Resultant body of research work
mapped out the breadth of impacts of ALAN,
highlighted many important targets for future work and
identify ways in which practical steps can be taken to reduce environmental concerns

9. The challenge faced by 21st century policymakers is to provide
outdoor light where and when it is needed while reducing costs,
improving visibility, and minimizing any adverse effects on
plants, animals, and humans
Kyba, Hänel & Hölker Energ. Environm. Sci. (2014)

10. Outreach and dissemination
Authorities
City and community councils
Architects and lighting planners
Multiple scientific fields
Light Pollution
Astronomers
The general public
Ecologists
NGOs
Illustration: S.Schroer

11. Outreach and dissemination
Authorities
City and community councils
Architects and lighting planners
Light Pollution
Multiple scientific fields
Astronomers
The general public
Ecologists
NGOs
Illustration: S.Schroer

12. STARS4ALL

13. Publications
Kyba, C. C., Kuester, T., de Miguel, A. S., Baugh, K., Jechow, A., Hölker, F., ... & Guanter, L. (2017). Artificially lit surface of Earth at night increasing in radiance and extent. Science Advances, 3(11), e
Hänel, A., Posch, T., Ribas, S. J., Aubé, M., Duriscoe, D., Jechow, A., ... & Spoelstra, H. (2017). Measuring night sky brightness: methods and challenges. Journal of Quantitative Spectroscopy and Radiative Transfer.

14. Sustainable lighting 2 Statements Outdoor illumination
Nature protected areas
Loss of the Night Network, Illustration: R. Stock

15. Sustainable lighting 2 Statements Outdoor illumination
Nature protected areas
Loss of the Night Network, Illustration: R. Stock

16. +
Thank You!