Trilogy Metals flags USACE starts NEPA review for Alaska project

U.S. Army Corps of Engineers published a Notice of Intent to prepare an Environmental Impact Statement for Trilogy Metals’ Arctic copper-zinc project in Alaska’s Ambler Mining District; public scoping opened under FAST-41. Trilogy targets a draft EIS in October 2027, a Record of Decision in September 2028, and overall permitting completion in November 2028.