A city-university partnership gives community members and researchers a new place to host data on the environmental and public health.

The tool is now being used by cities around the country to inform planning.

The company pays users for taking photos, walking certain routes, or answering questions that help government fill knowledge gaps.

Using input from thousands of residents, Boston released its first version of the city's ambitious plan for the next 14 years.

The popular traffic navigation app that features crowdsourced data will now include information straight from the District's transportation department.