With no federal mandates to protect air and water, pollution levels were catastrophic, creating dangerous living conditions ...

Those images, which NASA compiled into a time lapse ... Mexico and the Caribbean as hotspots for air pollution, particularly during certain times of day. The pollution maps "show high levels ...

The pollution has forced authorities in Pakistan to close schools and public spaces as the acrid smog threatens the health of tens of millions of people. Images from the Pakistani cities of Lahore ...

(Getty Images) New York City topped the list for the world’s worst daily air pollution. Unhealthy air quality can lead to health problems, especially for those in sensitive groups including ...

The municipalities can use the data they gather to enact air pollution policies and monitor progress. And in regions where literacy might not be widespread, images like the photos from this ...

Selcuk Acar / Anadolu Agency via Getty Images A new, satellite-based instrument measuring air pollution in North America has sent its first images back to Earth, NASA announced in August.

Check out these pictures posted on Twitter that show snow-clad Himalayas visible from 150 km away, at Saharanpur. According to NASA, air pollution in New Delhi and all over North India has ...

States across the border issued air advisories about particulate pollution that are expected to last for several days.