Half the world’s 100 largest cities are in high water stress areas, analysis finds

Exclusive: Beijing, Delhi, Los Angeles and Rio de Janeiro among worst affected, with demand close to exceeding supply

Half the world's 100 largest cities are experiencing high levels of water stress, with 38 of these sitting in regions of extremely high water stress", new analysis and mapping has shown.

Water stress means that water withdrawals for public water supply and industry are close to exceeding available supplies, often caused by poor management of water resources exacerbated by climate breakdown.