“Children's Ecological and Biological Center” of Nizhnekamskiy district of the Republic of Tatarstan together with the Zakamskiy Territorial Administration of the Ministry of Ecology of the Republic of Tatarstan conducted an environmental campaign “Hand over waste paper - save a tree”. The main objective of the campaign is to attract people's attention to resource conservation, make them think about the wasteful use of natural resources, and also contribute to the development of recycling.