Apple says it makes the "the most environmentally responsible products in our industry," and an independent study has backed up this claim. iFixit and Healthystuff.org dissected 36 smartphones and analyzed their chemical composition using X-ray fluorescence spectrometry. The study graded the phones based on the presence of know hazardous chemicals like bromine, mercury and lead.
Over the years, Apple has steadily improved its products moving from a "high concern" rating for the original iPhone to a "low concern" rating for the
