Large-scale adoption of green technologies in key sectors like manufacturing and transport is key to boosting air quality in China's major cities, according to United Nations Environment Programme Executive Director Erik Solheim.
Large-scale adoption of green technologies in key sectors like manufacturing and transport is key to boosting air quality in China's major cities, according to United Nations Environment Programme Executive Director Erik Solheim.
只有12％的城市，其空气质量符合世卫组织的标准。