The Problem An industrial city founded in 1935 as a slave labor camp, the Siberian city of Norilsk, Russia is the northernmost major city...

The Problem The world's worst nuclear disaster took place on April 26, 1986 when testing in the Chernobyl power plant, 62 miles north of...

The air in Beijing is so polluted that breathing it does as much damage to the lungs as smoking 40 cigarettes a day. More than 80 percent...

In 1992, the United Nations described Mexico City’s air as the most polluted on the planet. Six years later, that air earned Mexico the...

First, what is a mangrove? Mangroves are various large and extensive types of trees up to medium height shrubs that grow in saline...