'Most Polluted' Ganga Valley Gets Help, Scientists From 15 Nations | Read
If you look from a satellite or even Google Maps, the Ganga Valley appears to be the most polluted place in the world, says Andre Prevot, a renowned scientist at Switzerland's Paul Scherrer Institute. "It is a bit unfortunate because you have the Himalayas in the North and therefore the pollution is trapped in this valley," he says.
