['< 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 small 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 >']