Sony Ericsson had presented their latest Greenheart tree-hugging phones - the aptly named Elm and Hazel.
Those two are no slackers in functionality as they come with Wi-Fi, GPS and pioneer social networking integration via homescreen widgets. They also pack some innovative sound enhancing technologies such as Noise Shield, Clear Voice and Intelligent Volume Adaptation.
These phone is made of recycled plastics and free from hazardous chemicals. Its credentials exted to consume less power and also has an ergonomic keyboard.