This live feed has now been closed. For the latest on World Environment Day, please visit https://www.worldenvironmentday.global/
2018 news on the day's celebrations across the globe.
This live feed has now been closed. For the latest on World Environment Day, please visit https://www.worldenvironmentday.global/
2018 news on the day's celebrations across the globe.
只有12％的城市，其空气质量符合世卫组织的标准。