( January 31, 2024, 10:49 AM EST) -- SAN FRANCISCO — Whether Colorado can legally withdraw elements of a state implementation plan (SIP) in light of a consent decree that requires the Environmental Protection Agency to approve or disapprove the SIP is an issue that cannot be decided in the action resolved by the consent decree because the document did not contemplate the issue within its terms, a California federal judge found in denying two environmental groups’ motion to enforce the decree....