Many design variations are possible for the solar-LED lighting of transit signs and shelters. Pictured above is a London transit station sign. Below the fold is a preliminary design for a solar-LED illuminated Seattle WA, USA bus stop and also an implementation of a similar bus stop design in London. All are from Carmanah. But we digress from the larger point, which is where we got wind of Carmanah. Check out this huge Directory of Renewable and Alternative Energy stocks. Amazing that so very many publicly traded firms are considered in that category. Several of those listed will be familiar to regular TreeHugger readers; but, there are hundreds more we've never heard of. We could post on one a day and not hit bottom for months. Question is, would our readers be interested?