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