ozone layer
Ozone layer on road to recovery
The ozone layer protects the earth from the sun's ultraviolet radiation, which is linked to skin cancer and other health risks.
Illegal ozone-depleting gases traced to China: study
Industries in northeastern China have spewed large quantities of an ozone-depleting gas into the atmosphere in violation of an international treaty, scientists say.
Ozone layer declining over populated zones, study says
The ozone layer that protects life on Earth from deadly ultraviolet radiation is unexpectedly declining above the planet's most populated regions, a study says.
Scientist find new ozone-destroying gases growing rapidly
Environmental scientists raise concern at rising levels of gases that attack Earth's protective ozone layer, including manmade chemicals not covered by key UN treaty
Ozone layer on road to recovery
The ozone layer protects the earth from the sun's ultraviolet radiation, which is linked to skin cancer and other health risks.
Illegal ozone-depleting gases traced to China: study
Industries in northeastern China have spewed large quantities of an ozone-depleting gas into the atmosphere in violation of an international treaty, scientists say.
Ozone layer declining over populated zones, study says
The ozone layer that protects life on Earth from deadly ultraviolet radiation is unexpectedly declining above the planet's most populated regions, a study says.
Scientist find new ozone-destroying gases growing rapidly
Environmental scientists raise concern at rising levels of gases that attack Earth's protective ozone layer, including manmade chemicals not covered by key UN treaty