China recently released an action plan to reduce PM2.5 densities in all cities at the prefecture level and above by 10% by 2025, an official of the Ministry of Ecology and Environment said at a press briefing Monday.
China recently released an action plan to reduce PM2.5 densities in all cities at the prefecture level and above by 10% by 2025, an official of the Ministry of Ecology and Environment said at a press briefing Monday.