BCT’s bats & lighting page
http://www.bats.org.uk/pages/bats_and_lighting.html A treasure trove of critically important information for everyone, [...]
Bats & Lighting UK Guidelines 2014
http://www.bats.org.uk/data/files/Bats_and_Lighting_-_Overview_of_evidence_and_mitigation_-_2014.pdf First two paragraphs: "These guidelines have been drafted in [...]