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Ozone depletion - Wikipedia


Ozone depletion describes two distinct but related phenomena observed since the late 1970s: .... Scientists have been increasingly able to attribute the observed ozone depletion to the increase of ....

Basic Ozone Layer Science | Ozone Layer Protection | US EPA


Dec 12, 2016 ... Basic Ozone Layer Science ... Ozone Layer Research and Technical Resources ... Health and Environmental Effects of Ozone Depletion ...

Ozone Layer Protection | US EPA


Welcome to EPA's ozone layer protection web area. ... Basic Ozone Layer Science · Health and Environmental Effects of Ozone Layer Depletion · Current State ...

Environment for Kids: Ozone Layer Depletion - Ducksters


Kids learn about the depletion of the ozone layer. How CFCs have cause a hole in the ozone. For teachers and ... Science >> Earth Science >> Environment ...

The Facts of Ozone Depletion - National Geographic


Learn about the causes and effects of Ozone Depletion. ... In this video Bill Nye, the Science Guy, explains what causes climate change, how it affects ... thousand ozone molecules, according to the the U.S. Environmental Protection Agency.

Science - Ozone Basics - NOAA Stratospheric Ozone


The ozone in this region is commonly known as the ozone layer. ... Nations Environment Programme report, Scientific Assessment of Ozone Depletion: 1998  ...

Ozone layer on the mend, thanks to chemical ban | Science | AAAS


Jun 30, 2016 ... Since it was discovered in 1985, the Antarctic ozone hole has been a potent symbol of humankind's ability to cause unintended environmental ...

All About Ozone - Fact Monster


Source: The Environmental Protection Agency ... Most atmospheric ozone is concentrated in a layer in the stratosphere, about 15–30 kilometers ... Recently, however, convincing scientific evidence has shown that the ozone shield is being  ...

Ozone and the ozone layer Australia - Department of the Environment


The stratospheric ozone layer protects life on Earth by absorbing ultra-violet (UV) ... Scientific evidence has proven that the natural balance of stratospheric ...

Ozone layer | Environment | The Guardian


Thirty years on, scientist who discovered ozone layer hole warns: 'it will still take years to ... The ozone layer is recovering – there's hope for the environment yet.