As flood waters rise, is urban sprawl as much to blame as climate change?
First came the dire warnings of Hurricane Harvey, then the terrible scenes as the skies opened, whole neighbourhoods drowned and motorways became rivers. Now, as the waters subside and the full extent of the damage is assessed, come the voices of distraught people who have lost everything and the rallying of Americans to help in the recovery.
Houston may have broken the US rainfall records, but lost in the dramatic worldwide coverage of Texas has been the plight of tens of millions of people across Asia and Africa who are also counting the human cost of equally intense storms in which months of rain has fallen in just a few hours.
One of the heaviest monsoons recorded in the past 30 years has swamped large parts of India and south-east Asia, affecting millions. Nepal, Bangladesh, Cambodia and Pakistan have all been hit and major cities such as Mumbai, Bangalore, Chennai, Karachi and Dhaka have been paralysed as roads turn to rivers and waters flood villages.
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