Human environment which could not function in lockdown.
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Highlights
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Vital environmental changes have been evidenced during COVID-19 lockdown.
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500% decrease in sewage and industrial effluents in rivers.
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Dissolved oxygen(DO), Biological oxygen demand(BOD), pH of river water has been improved by 79%, 30% and 7.9 respectively
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Noise level was reduced up to 35% to 68% all over the world.
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Wild life gets a chance to reclaim their land.
Explanation:
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