The U.S. Department of Interior has rescinded a set of climate change and environmental mitigation policy documents adopted during the Obama Administration for use in DOI's evaluation of the potential environmental impacts of projects on federal lands, and it reinstated a 2008 Bureau of Land Management instruction memorandum.

The California Air Resources Board approved the 2017 Final Scoping Plan Update, which outlines CARB's programs to achieve a 40 percent reduction in greenhouse gas emissions from 1990 levels by 2030. Among the strategies included in the Update are additional actions to promote renewable and low-carbon intensity energy sources.

U.S. EPA has extended the public comment period on the agency's proposal to rescind the Clean Power Plan and has issued an Advanced Notice of Proposed Rulemaking soliciting public input on a replacement rule to regulate greenhouse gas emissions from existing power plants.