It is interesting to contrast the NRDC position on [[sewage sludge]] with that of the [[Environmental Defense Fund]]. EDF creates formal corporate partnerships between itself and major corporations, such as the [[Carlyle Group]] with which it partnered in March, 2010. <ref>[http://blogs.wsj.com/privateequity/2010/03/18/carlyle-group-teams-up-with-edf/ Carlyle Group Teams Up With EDF], The Wall Street Journal, March 18, 2010. </ref> The Carlyle Group, a private investment corporation, owns [[Synagro]], the world's largest company producing [[sewage sludge]] "compost" and "fertilizer," often called "[[biosolids]]," that is dumped on farms and gardens.
According to its own guidelines <ref>[http://sourcewatch.org/images/3/3b/Corporate_Guidelines.pdf EDF Corporate Funding Guidelines, 2011]</ref>, EDF does not accept direct funding from corporations that are engaged "in any significant activities that are in direct conflict with EDF’s environmental protection objectives or activities." This is misleading, since EDF does aggressively seek funding from employees, board members and investors in such corporations, including its formal corporate partners such as Carlyle Group. And EDF also considers on a case by case basis donations from foundations set up by such corporations.
It would seem that by partnering with [[Synagro]] EDF is in fact endorsing the practices of Synagro in dumping sludge on farms and gardens, and in misleading millions of people by selling its sewage sludge products as "compost" and "natural organic fertilizer."