Beijing was as polluted as Delhi 10 years ago: Dr Arunabha Ghosh

Ten years ago, Beijing's average AQI was about 100, exactly the same as Delhi's, climate expert Dr Arunabha Ghosh said on the podcast. Today, it has fallen to around 40-45. Cities like Paris and London have also cut pollution by pushing public transport, walking and cycling, he said, adding India must learn from all of them.