CEQ Readies NEPA Climate Guide, Amid Queries On GHG ‘Significance’

The White House in the coming days is expected to release a long-awaited Council on Environmental Quality (CEQ) guidance addressing climate change issues under the National Environmental Policy Act (NEPA), amid questions about whether the guide will set project-level thresholds for “significant” greenhouse gas emissions. In addition, observers are closely watching whether the forthcoming guidance will require agencies to use the social cost of carbon (SCC) metric to monetize projects’ climate-related damages, after an Obama-era guide only encouraged use of...