Bicycles are Green (as in, Made out of Mother Nature).
Just because I don’t do something doesn’t mean I’m not responsible for it. That’s Capitalism (and samsara) 1-oh-1: demand begets supply, and round and round the cycle goes.
The poster lists the mining products present in the photo:
HELMET: calcium carbonate, talc, clays, sulphur, mica
SUN PROTECTION: zinc oxide
ZIPPER: chrome-plated zinc
GEARS AND SEAT POST: steel, aluminum
FRAME: steel, aluminum, chromoly steel, titanium and/or carbon fibre
HANDLEBAR: aluminum, titanium
BRAKES: aluminum, steel, magnesium
TIRES: sulphur, bromine, iodine
SPOKES: stainless steel or titanium
PAVEMENT: cement, sand and gravel