The Los Angeles Times has a very good piece on the far right ultra-wealthy Koch Brothers, and their powerful influence on the Republican Party’s major push to crush climate change legislation and hamstring the Environmental Protection Agency.

Wichita-based Koch Industries and its employees formed the largest single oil and gas donor to members of the panel, ahead of giants like Exxon Mobil, contributing $279,500 to 22 of the committee’s 31 Republicans, and $32,000 to five Democrats.

Nine of the 12 new Republicans on the panel signed a pledge distributed by a Koch-founded advocacy group — Americans for Prosperity — to oppose the Obama administration’s proposal to regulate greenhouse gases. Of the six GOP freshman lawmakers on the panel, five benefited from the group’s separate advertising and grass-roots activity during the 2010 campaign.

Claiming an electoral mandate, Republicans on the committee have launched an agenda of the sort long backed by the Koch brothers. A top early goal: restricting the reach of the Environmental Protection Agency, which oversees the Kochs’ core energy businesses.

Here’s an infographic showing the history of the Koch family.