Department for Transport travel statistics
http://www.dft.gov.uk/stellent/groups/dft_transstats/documents/sectionhomepage/dft_transstats_page.hcsp

UK emission factor database
www.naei.org.uk

Statistics on UK air quality
www.airquality.co.uk

Committee on the medical effects of air pollution
www.doh.gov.uk/comeap/index.htm

Travelwise - news and advice on travel awareness campaigns
http://www.travelwise.org.uk/index.shtml

	Travel Trends | Cost | Health