The Samsung S7550 Blue Earth is also a Solar Powered cell phone and comes with an energy efficient charger. Although the Samsung Blue Earth is not as eco-friendly as the Samsung Reclaim since the latter is made of recycled materials, this mobile phone is equally earth-friendly since the Blue Earth is made WITHOUT Beryllium, Phthalate or Brominated Flame Retardants.Built-in pedometer or eco-walk function informs the users about the difference in carbon foot print measure while walking and driving; it is yet another eco-friendly feature in this handheld. The users cn even count their footsteps using the pedometer.