The Koch foundations have provided more than $60 million to groups that oppose climate change action between 1997 and 2010, almost $38 million of this between 2005 and 2010.
Koch funding of think tanks has included:
Koch funding of front groups has included:
Koch Industries contributed more than $1.8 million during the 2008 elelctions, mostly to Republicans, and has been the largest oil and gas industry donor to electoral campaigns since 2006, spending $7.27 on political donations between 2006 and 2010.
Koch Industries spent $20 million on lobbying in 2008, including almost $18 million on oil and gas issues.
In the 2012 elections, the Charles and David Koch and their companies contributed over $2 million directly, 95% going to Republican candidates, but they channelled much more to the Republican Party through "outside-spending groups that don't have to disclose their donors", particularly Americans for Prosperity (AFP) a non-profit foundation founded by David Koch that funded anti-Obama television ads in the lead up to the election. AFP disclosed that is spent $36.7 million. Charles and David Koch in fact pledged $60 million to defeat Obama.