The People’s Daily reports that Beijing citizen Cheng Jing has given a whole new meaning to terms such as town watch or activism. Cheng serves as his community’s voluntary radiation examiner. As in many other cities around the globe, his community has become concerned about exposure to electromagnetic radiation from nearby cell phone towers and high voltage lines. Using a portable testing device from Taobao.com, Cheng provides a free measurement of EMR levels within the homes of his neighbors in the Baiziwan Community in Beijing. Thus far he has been able to reassure residents that the levels fall within accepted limits. Read the story on the English online edition of the People’s Daily.