Witnesses
Wednesday 8 June 2011
James Grugeon, Healthy Air Campaign, Ed Dearnley, Environment Protection UK, Professor Frank Kelly, Environmental Research Group and, Councillor Richard Kemp, Local Government Group
| |
Wednesday 6 July 2011
Lord Henley, Parliamentary Under-Secretary of State for Environment Food and Rural Affairs, Daniel Instone, Robert Vaughan and, Sarah Honour, Defra
| |
|
|