Perhaps nowhere on the globe are these two waves of migration converging more starkly than in Mexico City, a vast urban ...

Before Congress passed the Clean Water Act in 1972, U.S. factories and cities could pipe their pollution directly into ...

Communities already facing pollution and failing infrastructure can become even more vulnerable when federal protections are ...

American colonists chose to stand against tyranny. When British troops marched into the Massachusetts countryside to seize weapons and supplies, they met armed resistance from colonists who refused to ...