Hà Nội to implement solutions to reduce air pollution stockbot 0 16 01.15 11:11 https://vietnamnews.vn/society/1639229/ha-noi-to-implement-solutions-t… + 4 https://vietnamnews.vn/rss/society.rss + 0 Faced with continuously increasing air pollution, Hà Nội has implemented many solutions to control the problem.