Paris puts partial ban on cars to fight smog
Move to ban cars with even number plates for a day brings pollution levels down by 40 per cent
Delhi ranked second among world’s most water-stressed cities
Five out of 20 world’s most water-stressed cities are in India, says study
China sets new standards for air purifiers
Standards are expected to curb deliberate misleading by producers about the effectiveness of purifiers
Kolkata among world's most flood-prone coastal cities: study
Its growing population and exposure to storms make it vulnerable
The last mayor of Kathmandu
Aditya Batra in conversation with Keshab Sthapit, a mayor famous for muscling his way to urban renewal