The inside story of how Virginia Tech Professor Marc Edwards helped propel the emergency of lead-tainted water in Flint, Michigan.

What are the qualities that make a project outstanding? Every year, ENR invites teams from around the country to submit their best work to its regional “Best Projects” competitions, which celebrate teamwork, safety, problem-solving, innovation and quality.

Long before Donald Trump promised to “drain the swamp” in Washington, the U.S. Environmental Protection Agency issued a set of very detailed directions for ending the persistent flooding of the District of the Columbia’s 61-square-mile watershed from the city’s combined-sewer overflow system.

The Antony Gormley sculpture celebrating the 100th anniversary of the William Welles Bosworth-designed MIT mathematics building filled one “Best of the Best” judge with “wonder.”