Putting the Brakes on Climate Change : A policy report on road transport and climate change Road vehicles currently account for 22 per cent of all UK carbon dioxide emissions, the main greenhouse gas responsible for the human contribution to climate change. Although increased fuel efficiency has offset the increase in traffic, it is unlikely that it will keep pace with this growth. The government should start to develop for introducing congestion charging on a wider basis. By Julie Foley of the Institute for Public Policy Research.

By Institute for Public Policy Research , UK.

Transport Policy Resource.