The graph below shows UK air pollutants in millions of tonnes, from three different sources, between 1990 and 2005.

The line graph compares the amount of air pollutants released in the United Kingdom from three different sources – industry, transport, and households – between 1990 and 2005, measured in million tonnes. Overall, there was a clear downward trend in the total volume of air pollutants over the period. Industry remained the largest contributor throughout, […]