Skies over metro Phoenix were hazy and gray Tuesday morning. Here's what is causing poor air quality in Phoenix and when it ...

Light pollution is when artificial light (usually from outside) is excessive, unnecessary, or obtrusive. Lights at homes and businesses, streetlamps, neon signs, and billboards are among the ...

While undeniably convenient and essential for safety, this constant glow, often referred to as "light pollution," is more than just an aesthetic inconvenience for stargazers. Increasing evidence ...

China intentionally bypasses or ignores environmental regulations to gain economic and strategic advantages that threaten American power.

This week, government officials, business leaders, scientists and others are coming together in Uruguay to discuss a landmark ...

A recent survey suggests that every hour people around the world discard 5.7 million toothpaste tubes, 570,000 cell phones ...

Pollution dropped for decades — but progress is slowing. Since the Clean Air Act first passed, air pollution has dropped by nearly 80% across the country, ...

Delhi is gearing up for its first artificial rain experiment to combat air pollution, with cloud seeding operations planned between July 4 and 11. IIT Kanpur has developed a special seeding ...

Is pollution from steel mills behind cancer rates in Gary, Indiana? 11:05 Doctors, environmental groups and residents are trying to figure out if there is a causal connection between pollutants ...