Kilometers above the Earth’s surface, the ozone layer protects humanity and all life from the sun’s harmful ultraviolet rays.

Imminent loss of NASA's Aura and Canada's SCISAT will severely diminish scientists’ ability to monitor ozone-depleting substances in the stratosphere.

Ground-level ozone, also called tropospheric ozone, is a common air pollutant that can be harmful to human health. The pollutant forms when certain organic compounds interact with sunlight and ...

Ground-level ozone is a major air pollutant that shortens human lives and kills thousands each year, resulting in major ...

(Approximate contribution to global warming: 15%; Hansen & Sato 2001). Tropospheric ozone, as opposed to stratospheric ozone (i.e., the “ozone layer”), is a secondary pollutant. One of the ...

An Air Quality Advisory has been issued for portions of Houston on Wednesday. Here’s what this means and what you can do to ...

It also takes into consideration various aspects of environmental impacts, such as climate change, toxicity to ecosystems and/or humans, tropospheric ozone generation, acidification, particle ...