Lucknow, April 24 -- As part of the Uttar Pradesh government's efforts to engage children in environmental conservation and promote a more responsible and aware approach towards nature, trees were digitally tagged with QR codes to provide information about their identity and utility, a government spokesperson said, detailing events held across the state on World Earth Day, April 22. This initiative was not only aimed at sharing information about trees and plants through technology but also at helping children understand the importance of environmental conservation and implement it in practice, the press release noted....