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Comments to OSMRE on Failure to Use the Social Cost of Greenhouse Gases in a Federal Mining Plan

April 23, 2018

We recently submitted comments to Office of Surfacing Mining Reclamation and Enforcement (OSM) on its environmental assessment (EA) on modifying the federal mining plan for Bull Mountains Mine No. 1 in Montana. The EA evaluates a proposal to extend operations at an existing mine by nine years, which would produce an extra 86.7 million tons of coal. While the EA quantifies the tons of greenhouse gas emissions related to the project, OSM refused to use the social cost of greenhouse gases metric to monetize the climate effects of these emissions. Our comments explain why the agency’s refusal is arbitrary and unlawful in light of a growing body of case law, which holds that failure to monetize a project’s costs is impermissible if an agency justifies an action based on the project’s monetized benefits. Our comments also explain why the social cost of greenhouse gases metric is appropriate for projects of this scale, why the metric’s use is not limited to rulemakings, and how failing to adequately account for the project’s climate effects is a violation of NEPA.

Filed under Climate Change and Energy Policy, Natural Resources, Public Comments