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Wednesday, 16 February 2011 12:17

UK’s 100 largest companies ranked by carbon emissions and disclosure levels


15:25-16:15, Wednesday 16th February 2011

Upstairs Sugar Room, BASE, The Brewery, Chiswell Street, London, EC1

  • Insurers Amlin tops emissions ranking among UK’s top companies
  • Mining company Randgold comes last in rankings

For the first time, the UK’s 100 biggest companies have been ranked according to their greenhouse gas emissions and levels of transparency.

The Environmental Investment Organisation (EIO), a UK non-profit research body, has created the ET UK 100 Carbon Ranking, spotlighting the best and worst of Britain’s top businesses.

Leading the ET UK 100 are insurers Amlin and financial services giant Aviva, with carbon intensities of 1.21 and 1.36 respectively (MtCO2e/$M turnover). Others ranked highly are British broadcasting giants BSkyB, whose intensity of 6.69 place it 4th, followed by energy services company AMEC, at 8.31.

The EIO has adopted a strict methodology based on complete disclosure of Scope 1 and 2 emissions according to the Greenhouse Gas Protocol, the internationally recognised standard for emission reporting.

Only companies that publicly disclose and also independently verify their emissions data made it into the top category. Among the ET UK 100 companies, although 66% publicly disclose their data, only half of those are also independently verifying their reported emissions. With the exception of BP and GlaxoSmithKline, whose data was defined as incomplete, all companies with a market value over $100BIL publicly disclose their complete emissions data.

Sam Gill, Operational Director of the EIO, said "Given that each company listed in the ET UK 100 is one of the biggest in Britain, if not the world, keeping this information out of the public domain is no longer excusable."

Coming bottom of the UK's biggest 100 companies is Randgold, a gold-mining company operating primarily in West Africa. They do not make their data publicly available, despite market competitors BHP Billiton and Xstrata both disclosing and verifying their emissions (ranking 31 and 34 respectively).

Randgold's inferred emissions intensity - benchmarked against their highest disclosing sectoral competitor - is 3,477.34. Second from bottom is global cruise company Carnival, followed by offshore drillers Ensco, utilities company Pennon and the financial giant, Standard Chartered. All of these five are part of the bottom 13% of companies that do not disclose any emissions data.

Sam Gill added, "This shows the massive difference in attitude among Britain's top corporations. The rankings show that it’s less about what industry a company’s in and more about individual attitudes towards transparency. How can Shell and BP be at opposite ends of the table, or Lloyds and Standard Chartered?”

The ET UK 100 is the first in a series of Carbon Rankings, where the largest companies world wide will be covered through the forthcoming ET Global 800, Europe 300, North America 300, Asia-Pacific 300 and BRICS 100. The EIO wants to see its rankings creating downward pressure on emissions across the world. The ET Carbon Rankings make up the first phase of the Environmental Tracking concept. The EIO will use them to create a series of tradeable indexes, to be launched later this year. The ET Carbon Indexes are designed to lower corporate emissions by influencing a company’s share price, giving the investment community a tool to encourage transparency and emission reductions on a global scale.

Tony Greenham, Head of Finance and Business, New Economics Foundation, said “It’s a very sound approach. You're pushing up the cost of capital for carbon inefficient companies and lowering the cost of capital for the carbon efficient companies, and I think that's a simpler and potentially very powerful mechanism."

Michael Gill, the EIOs founder and Chairman, said, “It’s been a tough 15 year journey to get to this point. It seems that finally the world is willing to take a serious look at our proposal for a market based incentive using the investment system and index funds. It completely bypasses the political log jam to be found throughout the world. Time is short and this is doable if the right people can be pressured into responding positively.”

The ET UK 100 Carbon Ranking will be launched at BASE 2011, a one-day event exploring how sustainability can be good for business. There will be a full briefing on the Rankings from the EIO, with PwC’s Alan McGill speaking on improving non-financial reporting, followed by a Q&A session for journalists.


• The Environmental Investment Organisation (EIO) is a UK-based not-profit research body working in the field of eco-financial innovation. See

• The Environmental Tracking (ET) Carbon Rankings are compiled from publicly available emissions data taken from company reports and websites

• BASE 2011 is a one-day event at the Brewery, London, on Wednesday 16th, to help organisations understand and realise the commercial opportunity in being sustainable. Speakers on the day will include Dame Ellen MacArthur, Jeremy Darroch (CEO, Sky), Mark Elborne (CEO, GE), Caroline Lucas MP, Tim Yeo MP and many many more. See

• Emissions figures are currently only for Scope 1 (all direct) and Scope 2 (indirect electricity), with Scope 3 (other indirect) to be included once the new Corporate Value Chain (Scope 3) Accounting and Reporting Standard (to supplement the existing Corporate Accounting and Reporting Standard) is fully introduced in 2011 by the Greenhouse Gas Protocol. See

• The rankings are comprised of four categories according to the status of a company's data: A) complete, public, verified B) complete, public but unverified C) incomplete D) no public data. In cases where there is no data available, companies are benchmarked against the worst performer in the same sector, e.g. energy. Once in their respective categories, companies are ranked according to emissions intensity (metric tonnes of
CO2 equivalent / turnover in millions of dollars)

For all media enquiries, including to reserve a place on the day, please email or call +44 (0)7983 240 336 (Mobile) or +44 (0)7523 650 540 +44 (0)208 801 0570 (Office). Should either of these numbers be busy on the day you can also call +44 (0)7523 650 540

Last modified on Tuesday, 30 November 1999 00:00
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