and the WWF
had organized a campaign where all big cities in Germany and Austria should have switched off the light on last saturday, between 20:00 and 20:05. They named this Licht aus! Für unser Klima!
(Lights off, for the climate).
So on saturday, we went to a tower block in the middle of vienna, and watched that event. Here is the result:
There was no difference to be noticed at all. Apparently nobody cared for the campaign in Austria. :(