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 ....
Dec 12, 2016 ... Basic Ozone Layer Science ... Ozone Layer Research and Technical Resources
... Health and Environmental Effects of Ozone Depletion ...
Welcome to EPA's ozone layer protection web area. ... Basic Ozone Layer
Science · Health and Environmental Effects of Ozone Layer Depletion · Current
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 ...
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.
The ozone in this region is commonly known as the ozone layer. ... Nations
Environment Programme report, Scientific Assessment of Ozone Depletion: 1998
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 ...
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
The stratospheric ozone layer protects life on Earth by absorbing ultra-violet (UV)
... Scientific evidence has proven that the natural balance of stratospheric ...
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.