La Palma’s streetlights are (for the most part) dark sky friendly: amber-colored, shielded to the ground, and not overly bright. However, the simplest rule to avoid light pollution is to only illuminate what and when needed. Or simply: Don’t illuminate at all when nobody needs light. Continue reading
Los Llanos
And the next one…
Another overly bright LED billboard. Seen in Los Llanos, May 3, 2019, at 22:40 local time. Continue reading
Los Llanos: An intelligently lit crosswalk
“Light only when you need it” is the most fundamental rule when it comes to outdoor lighting. This crosswalk in Los Llanos municipality on La Palma is a textbook example of how it’s done. Continue reading
Los Llanos: Poorly adjusted public floodlights
La Palma’s “Sky Law” requires public lighting to be directed downwards to avoid direct light scatter and skyglow. Most streetlights therefore have full cut-off housings. But some lights could be better, much better. One bright example are floodlights, especially the ones used in Los Llanos’ municipal stadium. Continue reading
