The president issued Exec. Order No. 13891 on October 9, 2019, Promoting the Rule of Law Through Improved Agency Guidance Documents; among other things, the order clarifies that agency guidance documents are not legally binding and requires agencies to make all current guidance documents readily available to the public via a searchable website and to clarify procedures for issuing guidance documents.

The October issue of News & Analysis presents articles on: the judicial role in reducing greenhouse gas emissions from land use and transportation, EPA's existing authority to impose a carbon tax, assessing FERC's authority to decommission dams,and the constitutionality of taxing agricultural and land use emissions. The issue also includes a transcript from an expert panel that ELI hosted in June that explored wildfire liability, the vaibility of various wildfire mitigation strategies, and the potential for incorporating climate impact research into wildfire policymaking.