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Energy efficiency and climate change

WPP’s carbon footprint CO2 emissions ’000 tonnes

During 2007 we fulfilled our commitment to go carbon neutral.

Our main climate impact arises from consumption of electricity (and gas) in our 2,000 offices. Employee air travel also has a significant impact.

Our carbon footprint in 2007 was equivalent to 244,146 tonnes of CO2 compared to an estimated 260,000 tonnes in 2006. This has been calculated using data from our office energy use and business air travel reported by our major companies through our financial reporting system. The data collection covered over 95% of the Group and we extrapolated data for the missing 5%. We add an additional 15% to our CO2 footprint to account for unmeasured impacts such as couriers and taxis.