Maybe forever! 

On April 30, Sen. John Barrasso (R-WY) placed a hold on the nomination of Regina McCarthy as Assistant Administrator of the EPA Office of Air and Radiation. “The nominee has failed to address serious concerns” about how the EPA would regulate greenhouse gases (GHGs) under the Clean Air Act, once the Agency finalizes its endangerment finding, Barrasso stated. 

The endangerment finding will compel EPA to establish GHG standards for new motor vehicles. This will make carbon dioxide (CO2) a pollutant “subject to regulation” under the Act’s Prevention of Significant Deterioration…

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Earlier this week, in a letter to Sierra Club climate council David Bookbinder, EPA Administrator Lisa Jackson said the Agency would reconsider, via a notice-and-comment rulemaking, a Bush-EPA memorandum interpreting regulations that determine whether carbon dioxide (CO₂) is currently subject to emission controls under the Clean Air Act’s Prevention of Significant Deterioration (PSD) pre-construction permitting program.

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My colleagues will be providing some commentary on what an Obama presidency means, realistically, for global warming policy. Here, I’m going to comment on environmental policy more generally.

First, I suspect that we will see the EPA Administrator raised to cabinet rank. With this will come a more radical and assertive EPA. This should not be surprising. Even within this Administration, the EPA has been flexing its muscles. The issuance of the Advance Notice of Proposed Rulemaking on regulating greenhouse gases…

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