Despite the efforts of state and federal authorities, homelessness keeps getting worse, especially in the West and the ...

Where you live in a metropolis — the city or the suburbs — can make a huge difference in how much you are contributing to climate change, according to a new study.

The UN Food and Agriculture Organization (UNFAO) accounts for over one-tenth of the global population, approximately 800 million people, practicing urban agriculture worldwide.In the United States ...

Thermometer-wielding volunteer drivers are partnering with climate researchers to create maps of urban heat islands across the United States. On a hot day in Washington, D.C., for example ...

The U.S. Coast Survey map calculated the number of slaves in each county in the United States in 1860. Library of Congress In September of 1861, the U.S. Coast Survey published a large map ...