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Frequently Asked Questions About The Ozone Hole ... How big was the 2003 Ozone Hole, and is it getting bigger? ... What steps have been taken to save the ozone layer? Are they working?
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www.wunderground.com/education/holefaq.asp
www.wunderground.com/education/holefaq.asp
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The ozone hole over Antarctica starts forming in late May- and is usually "healed" by December. The ozone hole over the North pole occurs when it is winter at the North pole, and is smaller than the Antarctic hole. See the link be...
http://wiki.answers.com/Q/How_big_is_the_ozone_hole
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Ozone Layer question: How big is the hole in the ozone layer near Antarctica what steps are being taken to prevent ozone layer depletion? The ozone hole ...
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wiki.answers.com/Q/How_big_is_the_hole_in_the_ozone_lay...
wiki.answers.com/Q/How_big_is_the_hole_in_the_ozone_layer_near_Antarctica_what_steps_are_being_taken_to_prevent_ozone_layer_depletion
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In 1979, many countries, including the U.S., banned CFCs from being made or used. This was a big step toward fixing the problem. ... Scientists originally predicted that the ozone layer would be the thinnest around 2008, then start recovering. But new research shows that other air pollution problems ... earth with ozone hole...
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www.dnr.state.wi.us/org/caer/ce/eek/earth/air/ozonlayr....
www.dnr.state.wi.us/org/caer/ce/eek/earth/air/ozonlayr.htm
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An ozone 'hole', a place where there the ozone layer is thinner than normal, was discovered a few years ago over Antarctica. Even at the ozone levels found in the hole, most of the UV light is blocked before it reaches the ground.
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imagine.gsfc.nasa.gov/docs/ask_astro/answers/980403a.ht...
imagine.gsfc.nasa.gov/docs/ask_astro/answers/980403a.html
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I am serious- as big as the next person says the hole is. The holes keep changin. Sometimes smaller. Sometimes bigger. Sometimes many small, sometimes many big. Maybe , to me, there will be a better idea of the situation in long studies, in...
http://www.answerbag.com/q_view/82693
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The Ozone Hole Tour is a multimedia educational journey of discovery. Find out about the history of the discovery of the hole, the science behind it and what scientists are doing to understand it. ... The Science of the Ozone Hole...
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www.atm.ch.cam.ac.uk/tour/
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THE Arctic ozone hole which swept across Britain last week is the deepest ever seen in the northern hemisphere. Scientists claim it has been caused in part by a dramatic cooling of the upper atmosphere in northern latitudes over the past two years.
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www.newscientist.com/article/mg14920210.800-big-freeze-...
www.newscientist.com/article/mg14920210.800-big-freeze-digs-a-deeper-hole-in-ozone-layer.html
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Ozone depletion - Wikipedia, the free encyclopedia
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Ozone depletion describes two distinct, but related observations: a slow, steady decline of about 4% per decade in the total volume of ozone in Earth's stratosphere (ozone layer) since the late 1970s...
en.wikipedia.org/wiki/Ozone_depletion
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