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Coronavirus lockdown | Air, water quality improves worldwide; see how New Delhi's pollution-free skyline looks
![Coronavirus lockdowns have sent pollution plummeting. Environmentalists worry about what comes next. Coronavirus lockdowns have sent pollution plummeting. Environmentalists worry about what comes next.](https://media1.s-nbcnews.com/i/newscms/2020_14/3293031/200402-los-angeles-al-0948_3e4959f42786f728877f081ea8b680c4.jpg)
Coronavirus lockdowns have sent pollution plummeting. Environmentalists worry about what comes next.
![Winning a dirty war - supporting the implementation of the EU-China Environmental Sustainability Programme - Stockholm International Water Institute Winning a dirty war - supporting the implementation of the EU-China Environmental Sustainability Programme - Stockholm International Water Institute](https://www.siwi.org/wp-content/uploads/2017/05/bufferstrips.jpg)
Winning a dirty war - supporting the implementation of the EU-China Environmental Sustainability Programme - Stockholm International Water Institute
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Kathmandu: Living and breathing in one of the world′s most polluted cities | All media content | DW | 16.09.2019
![Before-and-after photos show dramatic decline in air pollution around the world during coronavirus lockdown Before-and-after photos show dramatic decline in air pollution around the world during coronavirus lockdown](https://cdn.winknews.com/wp-content/uploads/2020/04/my-post-88.png)
Before-and-after photos show dramatic decline in air pollution around the world during coronavirus lockdown
![Before-and-after photos show dramatic decline in air pollution around the world during coronavirus lockdown - CBS News Before-and-after photos show dramatic decline in air pollution around the world during coronavirus lockdown - CBS News](https://cbsnews1.cbsistatic.com/hub/i/r/2020/04/22/6f6e0c63-2beb-4ff9-b91c-4f0ff771b9a3/thumbnail/1200x630/3f2cc31fbdf58fe641095008793fec10/cbsn-fusion-coronavirus-lockdowns-lead-to-clearer-skies-and-cleaner-water-thumbnail-474201-640x360.jpg)
Before-and-after photos show dramatic decline in air pollution around the world during coronavirus lockdown - CBS News
![Vector background with environmental pollution. Before and after illustration - factory plant smokes with smog, grey sky and polluted grass. Ecology, nature concept - green trees and white clouds. - Buy this Vector background with environmental pollution. Before and after illustration - factory plant smokes with smog, grey sky and polluted grass. Ecology, nature concept - green trees and white clouds. - Buy this](https://t4.ftcdn.net/jpg/02/39/89/89/360_F_239898948_iGD2GoNV2IZTWLJB12C6w923GRBbGLFp.jpg)
Vector background with environmental pollution. Before and after illustration - factory plant smokes with smog, grey sky and polluted grass. Ecology, nature concept - green trees and white clouds. - Buy this
![From polluted Ganga to drying springs: 5 environmental challenges before Uttarakhand - dehradun - Hindustan Times From polluted Ganga to drying springs: 5 environmental challenges before Uttarakhand - dehradun - Hindustan Times](https://m.hindustantimes.com/rf/image_size_444x250/HT/p2/2019/06/05/Pictures/_af3bf96c-8778-11e9-9370-840d0e5b15b9.jpg)
From polluted Ganga to drying springs: 5 environmental challenges before Uttarakhand - dehradun - Hindustan Times
![These 5 images show how air pollution changed over Australia's major cities before and after lockdown These 5 images show how air pollution changed over Australia's major cities before and after lockdown](https://images.theconversation.com/files/329328/original/file-20200421-126563-1py7xfv.jpg?ixlib=rb-1.1.0&rect=0%2C193%2C3072%2C1536&q=45&auto=format&w=1356&h=668&fit=crop)