http://www.ecolo.org/documents/documents_in_english/CO2-calculator-EFN.xls
Bruno Comby is a nuclear expert, world-famous environmentalist and author of 10 books on healthy living and ecology. He is the President of the international not-for-profit Association of Environmentalists for Nuclear Energy (EFN) (www.ecolo.org) which he created in 1996.
EFN now gathers over 10,000 members, supporters, local correspondents and branches in more than 60 countries, including numerous high-profile environmentalists such as Professor James Lovelock (university professor, Fellow of the Royal Society in the UK, considered as the founder of environmental thinking since the 1960's) and Dr. Patrick Moore (co founder of Greenpeace in 1971, former director of Greenpeace International for 7 years). He is the director of the Bruno Comby Institute in Paris and a former instructor at the Faculty of Medicine of Paris.