North Carolina regulators have objected to plans by the Army Corps of Engineers to deepen the Cape Fear River shipping channel that serves the Port of Wilmington. Reasons listed by the state for its ...

Welcome to Smithsonian Open Access, where you can download, share, and reuse millions of the Smithsonian’s images—right now, without asking. With new platforms and tools, you have easier access to ...

For more than 160 years, the National Academies have provided nonpartisan, evidence-based advice on decisions that affect our nation. Browse the listing of projects and activities to see examples of ...