“Hand over the battery - save life of a hedgehog” - an environmental campaign to collect spent chemical current sources was initiated at the Central Library in Arsk town. For 4 months, a good start was supported by about a thousand residents of the district. Among the participants of the collection are readers of the central and rural libraries, as well as pupils of kindergartens of the town. Each participant contributed to protection of the environment, totally more than 50 thousand batteries were collected.