To recover your password, simply go to http://freerice.com/user/password and enter the email address that you registered with (this is very important). You will be emailed a link that you can click to reset your password.
If you are a parent with several children playing Freerice registered on your email account, you will receive links for all your children's accounts. Ensure you select the correct account.
If you do not receive the email, please check your junk mail or spam folders.