Sharp increase in NO<SUB>2</SUB> pollution blamed on vehicles

Atmospheric concentrations of nitrogen dioxide increased by an average of 35% across the UK between 1986-1991, according to a study co-ordinated for the Department of the Environment by Warren Spring Laboratory (WSL).1 The introduction of catalytic convertors on all new cars in 1993 may give only a temporary respite from the deteriorating trend.

Sign in to continue

Sign in

Trouble signing in?

Reset password: Click here


Call: 020 8267 8120

30-day free trial 

Gain full access and pay nothing for the first 30 days

Sign up


Prices on request

  • Full access to for 12 months
  • Clear and accessible guidance on relevant legislation
  • Integration with ENDS Compliance Manager helping you plan ahead and ensure compliance for your organisation
  • Individual or bespoke multi-user packages available

See all benefits

Need to activate your subscription?
Already a subscriber
If you haven't already, activate your subscription here>>
Company Domain Access
If your company or university has a corporate subscription simply register your email address here to gain access