India, Jan. 23 -- Delhi is among 38 major global cities facing 'extremely high water stress'.

Severe water scarcity affects half of the world's largest cities.

It is driven by poor water management and climate change.

This crisis is particularly acute in Asia, with northern India and Pakistan experiencing the strongest drying trends.

Thirty eight of the world's 100 largest cities are experiencing "extremely high water stress" including Delhi, Beijing, New York, Los Angeles and Rio de Janerio, an analysis has found.

The analysis published by The Guardian and Watershed Investigations noted that among the 100 large cities, half of them are under high levels of water stress including London, Jakarta and Bangkok.

"Water stress means wate...