Click the ‘Edit Profile’ link on your profile page header and away you go.
Click the ‘Edit Profile’ link on your profile page head and it defaults to the ‘Profile Preferences’ tab which is what you want. Follow the instructions about changing your email, password or profile picture, and so on.
Click the ‘Edit Profile’ link on your profile page head and then the ‘Communicatins Preferences’ tab. Follow the instructions about changing how Green Thing communicates with you. There are also settings to link your Green Thing activity to and from other services like Twitter and Facebook.
Just fill in a quick questionnaire about your green life. You can update this as often as you like.