Several large corporations within the fossil fuel industry provide significant funding for attempts to mislead the public about the trustworthiness of climate science.: "A number of large corporations that profit substantially from fossil fuel consumption, such as ExxonMobil, provide financial support to their political allies in an effort to undermine public trust in climate science." ExxonMobil and the Koch family foundations have been identified as especially influential funders of climate change contrarianism. The bankruptcy of the coal company Cloud Peak Energy revealed it funded the Institute for Energy Research, a climate denial think tank, as well as several other policy influencers.
