Ozone as a layer several kilometers up in the atmosphere protects living beings, including humans, from ultraviolet rays. But its accumulation at ground level can be very dangerous, Mongabay ...

As the ozone layer recovers, it’s also intensifying global warming. Researchers predict that by 2050, ozone will rank just behind carbon dioxide as a driver of heating, offsetting many of the benefits ...

The story of the ozone layer and its infamous hole is a roadmap for all of us. It offers a pathway for solving complex environmental challenges steeped in science, economics policy, skeptical ...

This year’s ozone hole over Antarctica ranked among the smallest since the early 1990s, reflecting steady progress from decades of global action under the Montreal Protocol. Declining chlorine levels ...

If you live in Denver, Boulder, or anywhere along Colorado’s northern front range, you’ve likely had to deal with some pretty terrible air quality this summer. Many of us habitually check our phones ...