The Valuing Nature Network (VNN) in partnership with Natural Environment Resource Council (NERC) will be running a series of workshops on biodiversity and ecosystem service valuation in London during May 2011.The workshops, supported by the Natural Capital Initiative (NCI), will cover a broad range of topics associated with valuing biodiversity, ecosystem services and natural resource use. 10, 11, 13, 17, 19, 20, 23, 24 May. London, UK.