There is some awareness of alternate energy sources, but the "clean energy" movement is still in its infancy. Perhaps the biodiesel-fueled cherry blossoms lights on the Meguro River provide a clue about how to deal with the dilemma that exists between the anti-illumination criticism and the desire for pleasant winter lights at night.
La evento nomis biodizeloleon "mediamika pura energio por sekva generacio" kaj praktikas "lokan produkton kaj lokan konsumon de energio" kaj "100-procentan memproduktadon de elektro."