br Some of the most popular cell phones on the market are among the ones that emit the most radiation, placing cell phone users at possible risk of cancer. This warning comes from the Environmental Working Group (EWG), which just released an online consumer guide that provides comprehensive information on cell phone radiation emissions for consumers. Samsung Impression and Motorola RAZR are named as top two cell phones that have the lowest radiation emission. br The Environmental Working Group, a nonprofit research organization that provides information to consumers on how to protect human health and the environment, rated more than 1,000 cell phones that are marketed in the United States.