File:Wide pentagram.png

DescriptionWide pentagram.png English: en:Pentagram as concave star (penrose tilings) Remade from File:PenroseTilingFilled1.svg Date 5 February 2015 Source

logo, displayed as a [[pentagram]], seems to have been the most common form until it was superseded with [[:Image:Oes GGC color.PNG|this form]] in which

stripes - rectangles - global warming.svg 20210517 Warming stripes - pentagrams - stars - global warming.svg 20210508 Warming stripes - hexagons - global