Installers Arin Gharibian, left, Hayk Mkrtchayan, center, and team leader Edward Boghosian, all employees of California Green Design, assemble solar electrical panels on the roof of a home in Glendale, Calif., in 2010. Fueled partly by billions of dollars in government incentives, the solar panel industry is creating millions of solar panels each year and, in the process, millions of pounds of polluted sludge and contaminated water.
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