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From energy efficiency to toxics used in manufacturing to end-of-life issues, the road to truly green electronics faces a steep climb. Although most companies are taking these issues very seriously, it will surely be a slow process. Every three months, the international environmental group Greenpeace rates these companies on how well they're doing -- and raises the bar a little higher. In this, the tenth quarterly Guide to Greener Electronics, Greenpeace calls on manufacturers to up their company-wide commitments to steep and rapid cuts in overall greenhouse gas emissions. Nokia maintains its top score in the ranking, earning 6.9 points out of 10 possible for its takeback program and reducing the use of toxic chemicals like PVC, brominated flame retardants and antimony trioxide. Rounding out the top four is a three-way tie between Sony Ericsson, Toshiba and Samsung, all with 5.9 points. Sony earned high marks for its new environmental warranty for responsible takeback, Toshiba gains ground with its reporting of and goals toward renewable energy use and emissions reductions, and Samsung earned praise for reducing toxic chemical use and building energy-efficient products.

Bromine Science and Environmental Forum - Various studies on brominated flame retardants

Consumer electronics-including TVs, computers, peripherals, audio equipment, and phones-make up almost 2 percent of the municipal solid waste stream, according to the Environmental Protection Agency (EPA) . This percentage may seem small and inconsequential, but the quantity of electronic waste is steadily rising. In fact, the EPA estimates that the number of obsolete consumer electronics sold between 1980 and 2007 is 235 million; a total weight of 2.25 million tons. Where are these 235 million units now? Eighteen percent of these products were collected for recycling; the rest are, unfortunately, sitting in landfills. Toxins (lead, mercury, flame retardants, and the like) from these electronics can seep into the soil and ground water, posing serious health and environmental risks.

Image summarizing hazardous materials found in computers; Silicon Valley Toxics Coalition via WRPPN