BSkyB, along with Marks & Spencer, National Grid, Aviva and RSA has been identified as one of the top five performers in an annual report ranking carbon measurement and reporting for FTSE 100 companies. 101 companies were included in the FSTE 100 data analysis of which we came 5th. 

This 'Carbon Reporting Performance of the FTSE 100' report was produced by an independent company, Carbon Clear, and ranks companies against 47 carbon reporting criteria.  Companies were scored in four broad subject areas: measurement, reporting and verification; carbon strategy; carbon reduction; and engagement. Carbon Clear conducted its research in July 2012 using publicly available data.