David Koch worked tirelessly, over decades, to jettison from office any moderate Republicans who proposed to regulate greenhouse gases. In 2009, for example, a South Carolina Republican, Representative Bob Inglis, proposed a carbon tax bill. KochIndustries stopped funding his campaign, donated heavily to a primary opponent named Trey Gowdy and helped organize teams of Tea Party activists who traveled to town hall meetings to protest against Mr. Inglis. Some of the town hall meetings devolved into angry affairs, where Mr. Inglis couldn’t make himself heard above the shouting. Mr. Inglis lost re-election, and his defeat sent a message to other Republicans: Koch’s orthodoxy on climate rules could not be violated.
Mike Pence, who was then a congressman in Indiana, and others soon signed a “carbon pledge” circulated by Americans for Prosperity, which effectively prohibited the government from putting a price on carbon emissions. Those efforts and others effectively derailed the effort to pass a cap and trade plan for greenhouse gas emissions in 2009 and 2010. In 2009, the level of atmospheric carbon concentration hovered around 370 parts per million. In the decade since, levels have surpassed 400 parts per million, the highest level recorded in human existence.
Since the 2016 election, and in the face of more urgent scientific warnings about climate change and a growing popular movement for action, the Koch network has tried to build a Republican Party in its image: one that not only refuses to consider action on climate change but continues to deny that the problem is real. Just this week, Senator John Cornyn, Republican of Texas, dismissed data about climate change by pointing out on Twitter: “It’s summer.” In doing so, he reflected the politics of a party — and a world — that has been profoundly shaped by David Koch.
The biggest effect of the Koch Brothers, as with Fox News, is not so much that Republicans will win more elections as that Republicans can remain electorally competitive while running almost nothing but fanatics and crackpots, while ensuring that Republicans don’t run people who aren’t.