By Eric Roston and Stephen Lee

President Joe Biden has begun reactivating Obama-era approaches for building climate change into federal policy, action that may soon revamp environmental regulation by establishing a much higher dollar value for greenhouse gas emissions in the U.S.

The White House will soon revisit values for the “social cost of carbon,” a figure that has been used to shape dozens of energy-related regulations. The Trump administration disbanded the interagency group responsible for the work and reduced the estimate to a small fraction of conventional values. Biden was widely expected to release an interim social cost estimate on Friday, but the White House instead published a Federal Register notice that governs how the federal government will conduct climate analysis in reviewing the environmental impact of government projects.

It signals a wider return to climate policy that will eventually reinstate a higher social cost of greenhouse gases. This pivotal figure attempts to estimate the money saved from avoiding each additional metric ton of the three most important planet-warming gases: carbon dioxide, methane and nitrous oxide. The social cost of carbon is used in federal benefit-cost analyses to account for damage caused by fossil fuel, capturing impacts from pollution that aren’t reflected in the market prices for gas, oil and coal.

On his first day in office President Joe Biden signed an executive order directing the government to publish an interim social cost of greenhouse gases within 30 days and a final number by the end of January 2022. Researchers, industries and environmentalists have begun to line up to advise the White House just how they think this number should be calculated.

Michael Greenstone, a University of Chicago economist and co-chief of Obama’s social of carbon work, issued guidance last month on what the Biden administration should do. Nobel laureate Joseph Stiglitz and Lord Nicholas Stern, chair of the Grantham Research Institute on Climate Change and the Environment, published a blistering indictment of the conventional process last week. The Electric Power Research Institute, a utility industry group, wrote a note this month saying that “the shortcomings in the current modeling framework and SC-GHG use need to be addressed.”

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Areas of Focus: Social Cost of Carbon
Social Cost of Carbon
The social cost of carbon is an essential tool for incorporating the cost of climate change into policy-making, corporate planning and investment decisionmaking in the United States and around the...