The Centre for Ecology & Hydrology (CEH) is the UK's Centre of Excellence for integrated research in terrestrial and freshwater ecosystems and their interaction with the atmosphere. The CEH Information Gateway is a new tool for finding, viewing and accessing CEH's data resources including radioecology datasets. To view available radioecological data type Radioecology into the Search box. More data will be added in the future - one of the intial datasets available is that for natural radionuclide concentrations in soil, sediment and water in England and Wales (see England & Wales EA for report (Assessment of naturally occurring radionuclides in England and Wales) describing these data).