Solar is part of “clean tech,” but an environmental group is urging the industry to clean up its act to avoid becoming a major polluter. The industry needs a plan for recycling panels and reducing the harmful materials it uses to manufacture them, the
Silicon Valley Toxics Coalition says in a report to be released Wednesday. The report calls on the fast-growing solar industry to not follow the path of the computer industry, which generates 2.6 million tons of e-waste annually in the United States — only 13 percent of which is recycled.