In “The Urban Naturalist,” the Dutch ecologist ... They had been leading an “unobtrusive life in the city’s groundwater subterranean ecosystem,” the author explains.

This article explores new methods that bring together green practices and smart technology to benefit our communities.

Scientists have identified specific genes that may be associated with urban tolerance in birds. These genes may help birds cope with the stresses of city life, such as pollution and noise.

Delving beneath the disappointments and complexities of national politics, three new books illuminate the dynamism of urban life in the Americas.