More than a quarter of US adults experience "transportation insecurity," meaning they have no way to get from place to place in a safe or timely manner.

Investing in nature could help states bolster water supplies and fight climate change. An expert explains how it would work—and how beavers can help.

Observations by community scientists reveal how the absence of human activity in cities made room for birds.

Climate and conflict entwined when the prehistoric Maya city of Mayapan fell apart, research shows.

As violent crime decreases, so does an area's death rate from heart disease, a new analysis of data from Chicago shows.

Lesbian bars in the United States are vanishingly rare. Events that commemorate them show the value queer spaces have in communities, research shows.

Flooding is exposing more people to industrial pollution, researchers say. The risks are greatest in cities and for marginalized people.

A new report offers set of principles and guidelines to equitably address extreme heat in cities.

A pilot program in Denver indicates that sending mental health specialists instead of police for certain 911 calls can pay off.

Disbanding city police departments appears to have no effect on overall crime rates and leads to fewer police-related deaths, a study shows.