air pollution in kolkata

Kolkata study finds air toxicity surges when PM2.5 breaches 70 µg/m³, threshold exceeds on 75% of winter days

Kolkata study finds air toxicity surges when PM2.5 breaches 70 µg/m³, threshold exceeds on 75% of winter days

05 May 2025

3 min read

Reinvent Kolkata trams

Reinvent Kolkata trams

Anumita Roychowdhury

16 Oct 2024

6 min read

Rising air pollution in West Bengal no longer a Kolkata syndrome

Rising air pollution in West Bengal no longer a Kolkata syndrome

29 Jun 2021

4 min read

Bengal govt cites COVID-19 excuse for not phasing out old commercial vehicles

Bengal govt cites COVID-19 excuse for not phasing out old commercial vehicles

31 Aug 2020

3 min read

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