La mise en débats des territoires de la lumière

Abstract : The call to "Save the night!" sums up the whole issue of an emerging perception of artificial light seen as a source of damage. Launched in 1995, essentially by actors from the astronomical community, both amateur and professional, seeking to alert citizens and policymakers to a new form of pollution, this appeal has since been taken up by ecologists and doctors with the development of a new field of scientific knowledge concerning the effects and impact of artificial light on the environment and health. However, the resulting knowledge - be it informal or scientific, non-specialized or expert - has for several years now given rise to heated conflicts between these new actors and others, more institutional and historically well rooted, both nationally and internationally, in the domain of lighting. We show here how, cognitively, the problem of light pollution was built up, and how the divergence in scale between the actors' points of reference - cultural and territorial - remains the basis of a conflict arising from contradictory uses of night. But emerging patterns of participation are having some effect, both on decision-making in lighting as well as on the actors themselves. Thus we can note changes in discourse and in the evolution of knowledge and of skills, effects on decision-making processes, but also - most importantly - a cultural evolution highlighting the positivity of night.
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Samuel Challéat. La mise en débats des territoires de la lumière. Journée d'études sur Les effets de la participation, GIS Démocratie & Participation, École des Hautes Études en Sciences Sociales (EHESS), Oct 2011, Paris, France. ⟨hal-00922270⟩

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