China plans to rid its rural areas of pollution from toilet wastewater and its mountains of trash by 2020, officials said.

Special campaigns have been launched in different regions to improve the rural environment, Zhao Hui, chief economic engineer of the Ministry of Housing and Urban-Rural Development, told a conference organized by the State Council Information Office on Wednesday.

China didn't have the ability to dispose of all newly produced garbage before 2012, so garbage from urban areas piled up in rural areas, resulting in mountains of trash, Zhao said.