New Delhi, March 25 -- The United Nations has hailed India for "championing" the phase-out of single-use plastics and for its engagement in the Clean Seas Campaign among other programmes, including marine litter, air pollution, environment and health. In a letter to environment secretary CK Mishra, UNEP deputy executive secretary Joyce Msuya commended India for its leadership of the 13th conference under the Convention of Migratory Species. "I would like to congratulate the Government of India for championing the phase-out of single-use plastics, and for its engagement in the Clean Seas Campaign among other programmes including marine litter, air pollution, and environment and health," Msuya said....