Greenpeace included TV and console manufacturers for the first time in its regular survey of the IT industry as it believes they generate a significant proportion of new electronic waste, particularly with the digital switchover.
Nintendo managed to get the Guide's only recorded 0/10, a first for the industry.
"Nintendo has the dubious honour of being the first company to score 0/10 in the Guide," said Greenpeace.
Greenpeace used hidden cameras to determine whether shops were taking back old handsets, and found that staff were either unaware of company recycling schemes or gave misleading information.
Nokia dropped from top position to ninth, and Motorola dropped from ninth position to 14th.
"Companies should not be under any illusion that we will not check up on their claims of green greatness," said Iza Kruszewska, toxics campaigner at Greenpeace International.
Returns problems were a issue for most brands, including the greenest manufacturer Sony Ericsson.
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