Washington (CNN) — An environmental advocacy group backed by hedge fund tycoon Tom Steyer is set to unleash a seven-state, 00 million offensive against Republican “science deniers” this year, a no-holds-barred campaign-style push from the green billionaire that could help decide which party controls the Senate and key statehouses come November.
The Steyer-backed outside group, NextGen Climate, has billed itself as a progressive, pro-environment counterbalance to the wealthy oil and gas industry — as well as the primary foil to the pro-business Koch brothers and their well-funded conservative donor network.
The outfit, launched last year by the San Francisco billionaire, has already pledged to spend heavily this midterm year in Iowa to assist the Democratic Senate nominee Bruce Braley, and in Florida, where Gov. Rick Scott is facing a difficult re-election fight against Democrat Charlie Crist….[READ MORE](http://www.cnn.com/2014/05/22/politics/steyer-climate-change-campaign/)