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Continue to ChatLockdown led to up to 40% reduction in air, noise pollution in Karachi: SEPA https://inflics.com/lockdown-led-to-up-to-40-reduction-in-air-noise-pollution-in-karachi-sepa/
Lockdown led to up to 40% reduction in air, noise pollution in Karachi: SEPA https://inflics.com/lockdown-led-to-up-to-40-reduction-in-air-noise-pollution-in-karachi-sepa/