<sod>IER is a nonprofit 501(c)(3) organization and is funded by tax deductible contributions from individuals, foundations and corporations.<ref name=about/><ref>http://www.guidestar.org/FinDocuments/2012/760/149/2012-760149778-09ca3f40-9.pdf</ref> IER has received funding from the [[KBR (company)|Brown Foundation]] (started by founders of a construction and energy company), the [[Searle Freedom Trust]] and the [[Koch family foundations|Claude R. Lambe Charitable Foundation]].<ref name="npr">{{cite news |publisher=[[National Public Radio]] |url=http://www.npr.org/blogs/secretmoney/2008/09/udall_radio_ad.html |title=New Group Tied To Oil Industry Runs Ads Promoting Drilling, Attacking Democrat |date=September 22, 2008 |accessdate=March 18, 2015 |first=Will |last=Evans}}</ref><ref>{{cite news|last1=Vogel|first1=Kenneth|title=Kochs linked to anti-Obama gas ads|url=http://www.politico.com/story/2012/03/kochs-linked-to-anti-obama-gas-ads-074643|accessdate=4 December 2015|publisher=Politico|date=March 29, 2012}}</ref> They have also previously received funding from [[ExxonMobil]],<ref>{{cite news| url=http://uk.reuters.com/article/2008/05/23/us-exxon-funding-idUKN2328446120080523 | work=Reuters | first=Michael | last=Erman | title=Exxon again cuts funds for climate change skeptics | date=23 May 2008}}</ref> the [[American Petroleum Institute]],<ref name=negin>{{cite news|last1=Negin|first1=Elliott|title=Koch-Funded Climate Contrarians Make Mischief on Capitol Hill|url=http://www.huffingtonpost.com/elliott-negin/koch-funded-climate-contr_b_3620727.html|accessdate=7 October 2016|publisher=Huffington Post|date=July 19, 2013}}</ref> the [[American Future Fund|Center to Protect Patient Rights]],<ref name=negin/> and [[Peabody Energy]].<ref>{{cite news|last1=Goldenberg|first1=Suzanne|last2=Bengtsson|first2= Helena|title= Biggest US coal company funded dozens of groups questioning climate change|url= https://www.theguardian.com/environment/2016/jun/13/peabody-energy-coal-mining-climate-change-denial-funding|accessdate=28 June 2016|publisher= The Guardian|date=June 13, 2016}}</ref> IER says that it has not sought for or accepted financial support from the government.<ref name=about/><eod>
<sod>IER is a nonprofit 501(c)(3) organization and is funded by tax deductible contributions from individuals, foundations and corporations.<ref name=about/><ref>http://www.guidestar.org/FinDocuments/2012/760/149/2012-760149778-09ca3f40-9.pdf</ref> IER has received funding from the [[KBR (company)|Brown Foundation]] (started by founders of a construction and energy company), the [[Searle Freedom Trust]] and the [[Koch family foundations|Claude R. Lambe Charitable Foundation]].<ref name="npr">{{cite news |publisher=[[National Public Radio]] |url=http://www.npr.org/blogs/secretmoney/2008/09/udall_radio_ad.html |title=New Group Tied To Oil Industry Runs Ads Promoting Drilling, Attacking Democrat |date=September 22, 2008 |accessdate=March 18, 2015 |first=Will |last=Evans}}</ref><ref>{{cite news|last1=Vogel|first1=Kenneth|title=Kochs linked to anti-Obama gas ads|url=http://www.politico.com/story/2012/03/kochs-linked-to-anti-obama-gas-ads-074643|accessdate=4 December 2015|publisher=Politico|date=March 29, 2012}}</ref> They have also previously received funding from [[ExxonMobil]],<ref>{{cite news| url=http://uk.reuters.com/article/2008/05/23/us-exxon-funding-idUKN2328446120080523 | work=Reuters | first=Michael | last=Erman | title=Exxon again cuts funds for climate change skeptics | date=23 May 2008}}</ref> the [[American Petroleum Institute]],<ref name=negin>{{cite news|last1=Negin|first1=Elliott|title=Koch-Funded Climate Contrarians Make Mischief on Capitol Hill|url=http://www.huffingtonpost.com/elliott-negin/koch-funded-climate-contr_b_3620727.html|accessdate=7 October 2016|publisher=Huffington Post|date=July 19, 2013}}</ref> the [[American Future Fund|Center to Protect Patient Rights]],<ref name=negin/> and [[Peabody Energy]].<ref name=guardian>{{cite news|last1=Goldenberg|first1=Suzanne|last2=Bengtsson|first2= Helena|title= Biggest US coal company funded dozens of groups questioning climate change|url= https://www.theguardian.com/environment/2016/jun/13/peabody-energy-coal-mining-climate-change-denial-funding|accessdate=28 June 2016|publisher= The Guardian|date=June 13, 2016}}</ref> IER says that it has not sought for or accepted financial support from the government.<ref name=about/><eod>