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 ...

Don't let the soft, sepia tones fool you. The United States used to be dangerously polluted. Many of the photos were taken before water and air pollution were fully regulated. The Clean Air Act was ...

NASA has shared this week the first images from TEMPO, the agency’s first space-based instrument designed to continuously measure air quality over North America, and do so with the resolution of a few ...

The instrument, called TEMPO, will make hourly measurements of pollutants over North America that could help reduce exposure to unhealthy air Will Sullivan - Daily Correspondent Smoke from wildfires ...

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 ...

Cities across the East Coast were blanketed with hazy and smoky conditions this week from fires burning across Canadian territory. The Air Quality Index (AQI) in New York City, Philadelphia and ...

NASA has released its first images from an orbiting pollution monitor launched earlier this year, revealing a striking concentration of toxic nitrogen dioxide over Houston and other American cities.