Question to the Department for Environment, Food and Rural Affairs:

To ask the Secretary of State for Environment, Food and Rural Affairs, if she will make an assessment of which internationally recognised (a) guidelines and (b) standards are most effective at protecting the (i) natural and (ii) cultivated environment from air pollution.

The United Kingdom of Great Britain and Northern Ireland is a founding signatory to the United Nations Economic Commission for Europe Convention on Long Range Transboundary Air Pollution. The International Cooperative Programme on Effects of Air Pollution on Natural Vegetation and Crops and Task Force on Reactive Nitrogen, that sit under the Convention; provide assessments on guidance and standards for natural and cultivated land in relation to air pollution, which the UK considers and adopts where appropriate.