Peter Ravenscroft is a Principal Hydrologist with Geragthy and Miller International in Cambridge, UK. He is a specialist in the Development and Management of groundwater resources. He has worked on a wide variety of groundwater issues around the World. For more than ten years he worked on a variety of water and environmental projects in Bangladesh for Mott MacDonald ltd. His special interests are the Hydrology of the Bengal Basin, tube well irrigation and arsenic pollution of groundwater.