A herd of buffaloes wander parched land amidst a drought, a farmer and his cows wade knee-deep through floodwater, and people walk across a bridge over a multicolored river of trash. All three scenes ...

EDITOR’S NOTE: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...

NASA has released the first data maps from a new instrument monitoring air pollution from space. The visualizations show high levels of major pollutants like nitrogen dioxide — a reactive chemical ...

A motorcyclist in Los Angeles prepares to turn while driving along a street engulfed in a thick haze combined by fog and smog in 1958.Bettmann / Getty For much of its history, the city of stars could ...

Before environmental regulation, New York City struggled with severe pollution. The city's coastlines were often the sites of illegal dumping. Pollution regulations began after the Environmental ...

Inver Grove Heights, Minnesota, Pine Bend sanitary landfill, the largest open landfill in Minnesota. (Photo by: Michael Siluk/UCG/Universal Images Group via Getty Images) June 5th marks World ...