A week after floods, Libyans haunted by fate of the missing
Dams above the city burst in a storm that sent a huge torrent down a seasonal riverbed running through the centre of the Mediterranean city of 120,000 people.
Indonesia banks on dams to tackle water crisis - but at what cost?
Dam building is causing its own new challenges, from upending the lives of local people to new losses of forests and agricultural land, according to residents and campaigners.
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