Water pollution

Global Concerns. The Growth Rings of Trees. Audio, 13 minutes
The shape of tree rings indicates a relative warming of the world over the last 100 years
Attribution
BBC World Service
Available for over a year
Global Concerns. Kolkata's Arsenic Poisoning. Audio, 14 minutes
Unchecked water extraction has led to 250,000 people being affected by arsenic poisoning
Attribution
BBC World Service
Available for over a year
Global Concerns. Chemical Waste Protects Linked with Male Infertility. Audio, 13 minutes
How surfactants get into the water supply and what effect they can have on ecosystems
Attribution
BBC World Service
Available for over a year
Global Concerns. Environmental Impact of Washing Detergents. Audio, 14 minutes
What's in conventional washing powders that is bad for the environment?
Attribution
BBC World Service
Available for over a year
Network UK. The River Tyne. Audio, 12 minutes
Coal transportation,shipbuilding and fishing, why the River Tyne is so important
Attribution
BBC World Service
Available for over a year