Carbon Planet is part of the United Nations Environment Programme. http://www.unep.org/ and has great endorsements been plugging away since 2000!. This is a quote from UNEP... "Carbon Planet is recognised internationally as a transparent and credible industry leader whose base-line audits adhere to both the World Business Council for Sustainable Development's GHG Protocol Corporate Accounting and Reporting Standard, harmonised with ISO 14064-1 and the Australian Energy Audits Standard AS/NZ 3598:2000." go to link IMO v.impressive.
