> Citation needed. No idea regarding relative amounts/toxicity etc., but I presume they are referring to these issues: http://news.yahoo.com/solar-industry-gr

> Citation needed. No idea regarding relative amounts/toxicity etc., but I presume they are referring to these issues: http://news.yahoo.com/solar-industry-grapples-hazardous-wastes-184714679.html http://news.yahoo.com/solar-industry-grapples-hazardous-wast...