environmental and social impact of a phone, divided into Product (106 questions) and Corporate categories ( 56 questions). A separate scale is used for smartphones (much as different size fridges are rated separately for energy efficiency).
The top ratings for currently sold phones:
Feature phone: Nokia C2 - 01
Overall ECO 3.9:- Green design: 3.7
- Mobile phone life cycle: 4.3
- Company performance: 3.9
Smart phone: Nokia Lumia 720
Overall ECO 3.3:- Green design: 2.3
- Mobile phone life cycle: 3.6
- Company performance: 4.1
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