Female scientist in Hà Nội awarded for eco-friendly inventions stockbot 0 215 2023.03.10 10:16 https://vietnamnews.vn/society/1494606/female-scientist-in-ha-noi-awar… + 4 https://vietnamnews.vn/rss/society.rss + 4 Environmental protection is a matter of concern, especially in Việt Nam where the number of old vehicles remains high, causing significant exhaust emissions.