@article {1584, title = {Using the Ecosystems Services Approach to value air quality.}, year = {2014}, institution = {DEFRA}, author = {Jones, M.L.M. and Provins, A. and Harper-Simmonds, L. and Holland, M. and Mills, G. and Hayes, F. and Emmett, B.A. and Hall, J. and Sheppard, L.J. and Smith, R. and Sutton, M. and Hicks, K. and Ashmore, M. and Haines-Young, R.} }