Enviro journalist & researcher, think tanker @ The Wilson Center & @ Center for Climate & Security, Author of 'The Heat and the Fury: On the Frontlines of Climate Violence'
The world’s longest river is sick - and getting sicker.
Booming populations have dirtied and drained it, while climate change threatens to cut its flow.And some fear that competition over its dwindling waters could trigger a regional conflict.(Continue reading on BBC website )