In our final video on complex urban systems, writer Elizabeth Royte offers a snapshot of the past, present and future of what happens to New Yorkers' trash once it leaves the curb.

On Sunday afternoons, when most industrial businesses are closed, IBZs have a surreal and at times eerie quietness that is rare in New York City.

Seema Agnani’s work with South Asian immigrants on housing needs charts a course for legalizing basement apartments to create affordable housing.

The West Harlem Piers Park is the last jigsaw piece in a now unbroken strip of publicly accessible waterfront running all the way up from Battery Park.