41. BBC NEWS | Science/Nature | Major Ozone Loss Over Antarctic There have been signs over the last two years that damage to the ozone layer has reduced, but a full recovery is not expected until around 2050. http://news.bbc.co.uk/2/hi/science/nature/4197566.stm

@import "/css/screen/shared/styles.css"; @import '/css/screen/shared/toolbar_ukfs.css'; @import '/css/screen/shared/toolbar_ifs.css'; @import "/css/screen/nol/styles.css"; @import "/css/screen/nol/furniture.css"; @import "/css/screen/nol/promo.css"; @import "/css/screen/nol/programmes.css"; @import "/css/screen/nol/ifs.css"; Home News Sport Radio ... Accessibility help One-Minute World News News services Your news when you want it News Front Page Africa Americas Asia-Pacific ... Special Reports RELATED BBC SITES SPORT WEATHER ON THIS DAY EDITORS' BLOG Last Updated: Tuesday, 30 August 2005, 16:34 GMT 17:34 UK E-mail this to a friend Printable version Major ozone loss over Antarctic By Richard Black BBC News website environment correspondent Envisat captures low ozone levels (measured in Dobson Units) over Antarctica ( Image: KNMI/Esa New readings from the European satellite Envisat suggest that this year's southern hemisphere ozone hole may be one of the largest on record. The hole covers an area of 10 million sq km (four million sq miles) - approximately the same size as Europe.

42. News In Science - Sun Burp Blasted Ozone Layer In 1859 - 30/03/2007 A titanic burp of protons from the Sun in 1859 appears to have temporarily weakened Earth s ozone layer, say scientists studying ice cores from Greenland. http://www.abc.net.au/science/news/stories/2007/1885523.htm

Search the ABC ABC Home Radio Television ... Podcasts Print Email to a friend Sun burp blasted ozone layer in 1859 Larry O'Hanlon Discovery News Friday, 30 March 2007 The 1859 event, which blasted the ozone layer, led to telegraph lines sparking and catching light (Image: NASA) A titanic burp of protons from the Sun in 1859 appears to have temporarily weakened Earth's ozone layer, say scientists studying ice cores from Greenland. Evidence of the massive radiation event comes from an excessive amount of ozone-related nitrates in the ice from that year. The huge September 1859 solar flare appears to have gushed 6.5 times the protons of the largest flare seen by modern science, which was in 1989. The researchers modelled the space storm using nitrate data from the ice and compared that with the modern event also detectable in the ice. The researchers therefore estimateed that more than three times as much ozone was destroyed by the 1859 event than in the 1989 one. Ozone is the gas that blocks ultraviolet-B (UV-B) light, which is particularly lethal to many life forms. The discovery is a hint at just how nasty solar weather can get.

43. How Many International Environmental Treaties Can One Administration Sabotage? | If they had the misfortune to be among those most directly afflicted by the depletion of the ozone layer, at least the global community was making a http://www.grist.org/comments/gist/2003/11/20/ozone/

@import url("/newerbrowsers2.css"); In the News Gristmill Blog Podcast Features Columns Daily Grist Ask Umbra Muckraker Victual Reality ... The Bottom Line top topics agriculture business celebrity climate ... more ... Support nonprofit, independent environmental journalism. Donate to Grist. about grist support grist job board ... ADVERTISING POLICY var zflag_nid="459"; var zflag_cid="33/12/9"; var zflag_sid="0"; var zflag_width="728"; var zflag_height="90"; var zflag_sz="14"; if(typeof kwd == 'undefined')kwd = ''; var zflag_kw=kwd; Search Advanced Sign up to get Grist by email or RSS feed The Loophole in the Ozone Layer How many international environmental treaties can one administration sabotage? 20 Nov 2003 Read more about: health ozone politics all of these topics Tools: print email discuss write to the editor ... RSS Share: digg hugg stumbleupon reddit ... facebook Bookmark: del.icio.us google yahoo From just about anywhere you are on the planet, the city of Punta Arenas, Chile, is very, very far away. Perched on the banks of the Strait of Magellan, Punta Arenas is bounded on the north by the ice fields of Patagonia, a place that the combined forces of nature and the outdoor-gear industry have made synonymous with all things rugged and remote. To the south, on the other side of the strait, the Western Hemisphere peters off into the fractured islands of Tierra del Fuego; beyond that lies the Antarctic. And then there is another, newer landmark: For a few months every year, during the Southern Hemisphere spring, Punta Arenas sits directly beneath the hole in the ozone layer.

44. New Report Summarizes Ozone Layer Protection | Newsroom | US EPA (Washington, D.C. April 26, 2007) After nearly 20 years of international treaty protection, the six-mile-high ozone layer that shields the earth from http://yosemite.epa.gov/opa/admpress.nsf/68b5f2d54f3eefd28525701500517fbf/12abfb

EPA Newsroom Recent Additions Contact Us Print Version EPA Home ... Press Releases from Headquarters > New Report Summarizes Ozone Layer Protection EPA Newsroom Home News Releases Comunicados Get News by E-mail ... Acronyms New Report Summarizes Ozone Layer Protection Release date: Contact Information: John Millett, (202) 564-4355 / millett.john@epa.gov (Washington, D.C. - April 26, 2007) After nearly 20 years of international treaty protection, the six-mile-high ozone layer that shields the earth from harmful solar rays is on the road to recovery, but challenges remain, EPA reports. Achievements in Stratospheric Ozone Protection: Progress Report highlights U.S. contributions toward healing the ozone layer. "We could not have made this progress without the collaboration of our partners from all sectors of our economy," said Bill Wehrum, EPA acting assistant administrator for the Office of Air and Radiation. "These partnerships have spurred progress in technology development and deployment that is protecting the ozone layer, saving energy, and preventing emissions of greenhouse gases." The report recognizes the substantial and successful investments of the many collaborators who have worked towards protecting and restoring the ozone layer. The ozone layer has not grown thinner over most of the world since 1998, according to the report, and the Antarctic ozone level is projected to return to pre-1980 levels between 2060 and 2075.

45. Ozone Layer Protection The ozone layer is the main protector of Earth from excessively intensive ultraviolet (UV) radiation of the Sun. But unfortunately during the last 20 years http://www.meteo.lv/public/28971.html

LVĢMA LV EN Vide - zeme, gaiss, ūdens ... STRUCTURE Search Home Sitemap Feedback Home ... AGENCY ACTIVITY AREAS Ozone layer protection Ozone layer protection Ozone layer protection The ozone layer is the main protector of Earth from excessively intensive ultraviolet (UV) radiation of the Sun. But unfortunately during the last 20 years the ozone layer over many world regions, including Latvia in fall and winter periods, was too ”thin”. As a result, the probability of skin cancer and eye cataracts increased, immunity weakened, agricultural crops and fishery catch decreased, etc. Results of some researches state that the ozone layer thinning has practically stopped at the present moment, while others state that the „ozone hole” is growing, i.e. in the year 2005 it was almost a record big size. Therefore one shall conclude that exactly this year and several following years will be determinant for ozone layer recovery. Ozone layer protection is currently supported by 189 countries of the world, including Latvia. For almost all technologies applying ozone layer depletion matters there are replacement alternatives found, and production, trade, and application of theses matters is rapidly decreasing. For example, in the year 1986 the world consumed approximately 1 100 000 tons of HFO or CFC (one of the most widespread ozone layer depletion matters, also named Freon), but in 2001 the total amount of consumed HFO was only 110 000 tons. Scientists forecast that in case of observation of currently implemented ozone layer protection measures the ozone layer will be recovered up to its normal condition by 2050 - 2060.

46. Earth's Atmosphere - Zoom Astronomy The earth s ozone layer is located in the stratosphere. Ozone, a form of oxygen, is crucial to our survival; this layer absorbs a lot of ultraviolet solar http://www.enchantedlearning.com/subjects/astronomy/planets/earth/Atmosphere.sht

Advertisement. EnchantedLearning.com is a user-supported site. As a bonus, site members have access to a banner-ad-free version of the site, with print-friendly pages. Click here to learn more. Become a member of Enchanted Learning. Site subscriptions last 12 months. Click here for more information on site membership. $20.00/year or other amount (directly by Credit Card $20.00/year or other amount (via PayPal $20.00/year or other amount (for sending a check by mail $20.00/year or other amount (for subscribing by school purchase order As a thank-you bonus, site members have access to a banner-ad-free version of the site, with print-friendly pages. (Already a member? Click here. Zoom Astronomy THE EARTH Back to the Planets Introduction: Size, Orbit, etc. How Fast is Earth Moving? Continental Drift ... Geologic Time Chart THE EARTH'S ATMOSPHERE The Earth's atmosphere is a thin layer of gases that surrounds the Earth. It composed of 78% nitrogen, 21% oxygen, 0.9% argon, 0.03% carbon dioxide, and trace amounts of other gases. This thin gaseous layer insulates the Earth from extreme temperatures; it keeps heat inside the atmosphere and it also blocks the Earth from much of the Sun's incoming ultraviolet radiation.

47. Push To Fix Ozone Layer And Slow Global Warming - New York Times A coalition of industrial and developing countries is pushing for stringent limits on a popular airconditioner refrigerant. http://www.nytimes.com/2007/03/15/business/worldbusiness/15warming.html

@import url(http://graphics.nytimes.com/css/common/screen/article.css); var google_hints = "Air+Conditioning,Global+Warming,Chemicals,Third+World+and+Developing+Countries"; var google_ad_channel = "ar_business"; Skip to article Get Home Delivery Log In Register Now ... Times Topics Business All NYT World Business World U.S. N.Y. / Region ... Autos Push to Fix Ozone Layer and Slow Global Warming Sign In to E-Mail or Save This Print Single Page Reprints By KEITH BRADSHER Published: March 15, 2007 HONG KONG, March 14 — An unusual coalition of industrial and developing countries began pushing Wednesday for stringent limits on the world’s most popular refrigerant for air-conditioners, as evidence mounts that the refrigerant harms the earth’s ozone layer and contributes to global warming Skip to next paragraph Enlarge This Image Greg Baker/Associated Press Related In a Test of Capturing Carbon Dioxide, Perhaps a Way to Temper Global Warming (March 15, 2007) The coalition is pitted against China, which has become the world’s leading manufacturer of air-conditioners that use the refrigerant, HCFC-22. Most window air-conditioners and air-conditioning systems in the United States use this refrigerant, as well. International pressure has grown rapidly this winter for quick action. “We scientifically have proof: if we accelerate the phaseout of HCFC, we are going to make a great contribution to climate change,” said Romina Picolotti, the chief of Argentina’s environmental secretariat.

48. Ozone Layer | Find Articles At BNET.com Aug 24, 2006 (Herald Sun ABIX via COMTEX) The Earth s ozone layer at last appears to be recovering, but the news is not all good. On 24. http://findarticles.com/p/linker?tpp=globalwm&qt=Ozone Layer

49. Ozone - British Antarctic Survey It is a minor gas in our atmosphere and mostly occurs in the ozone layer at heights between 10 and 35 kilometres. Bringing all the ozone in the layer http://www.antarctica.ac.uk/Key_Topics/The_Ozone_Hole/

Skip navigation Press Employment Contact Us ... Images Search this site Search About Antarctica About Antarctica Wildlife Geography ... Geopolitics Ozone Home About Antarctica Geography Ozone External Links Wikipedia ozone BAS is not responsible for the content of external sites. Ozone is made up from three oxygen atoms, whereas the oxygen that we breathe has only two. It is a minor gas in our atmosphere and mostly occurs in the "ozone layer" at heights between 10 and 35 kilometres. Bringing all the ozone in the "layer" down to ground level would give a thickness of around 3cm of pure ozone, which reduces to around 1cm at the height of the ozone hole. At the surface of the earth it is poisonous in large quantities, but in the stratosphere it prevents harmful ultra-violet radiation from reaching us. BAS has been measuring ozone in the Antarctic since 1956 and our measurements led to the discovery of the ozone hole. A little ozone also exists closer to the Earth's surface and recent research shows that natural halogens in Antarctica can produce depletion in this near surface layer. You can find the latest report on the ozone hole, along with other links and data on the

50. NASA - NASA, NOAA Data Indicate Ozone Layer Is Recovering A new study using NASA and National Oceanic and Atmospheric Administration (NOAA) data finds consistent evidence that Earth s ozone layer is on the mend. http://search1.nasa.gov/home/hqnews/2006/aug/HQ_06300_Ozone.html

There's a problem with your browser or settings. Your browser or your browser's settings are not supported. To get the best experience possible, please download a compatible browser. If you know your browser is up to date, you should check to ensure that javascript is enabled. NASA - National Aeronautics and Space Administration More Preferences NASA Home News Releases ... Send Bookmark Print var itemIdAndJSFileURL= 'newsandfeatures_newsreleases_archives$/templateimages/redesign/leftnav-htmls/newsandfeatures_.js'; var splitResult = itemIdAndJSFileURL.split("$"); $('menu_item_id').value = splitResult[0]; var url = splitResult[1]; var defPage = '/templateimages/redesign/leftnav-htmls/home_.js'; if(url == '.js') url = defPage; document.write('' + ''); Text Size Erica Hupp/Dwayne Brown Headquarters, Washington Alan Buis Jet Propulsion Laboratory, Pasadena, Calif. Aug. 30, 2006

51. Introduction To Ozone: Background Material The protective role of the ozone layer in the upper atmosphere is so vital that scientists believe life on land probably would not have evolved and could http://www.ucar.edu/learn/1_5_1.htm

Introduction to Ozone This section provides an overview of ozone and why it is considered to be 'bad' when found in the troposphere, and 'good' when found in the stratosphere. Ozone has the same chemical structure whether it is found in the stratosphere or troposphere. The general concepts found in this section include the following: Ozone is a form of oxygen. The molecule contains three oxygen atoms ( Ozone is unstable and will readily combine with other atoms. Ozone is found in the stratosphere, where it blocks the sun's ultraviolet (UV) waves and prevents them from reaching the earth's surface. Ozone is also found in the troposphere, where it can damage living tissue and human-produced objects. It is generated both from certain types of pollution and natural sources. This section includes four classroom activities. Introduction The Ozone Hole. The Ozone Hoax. Pollution. Skin Cancer. The topic of ozone makes headlines on a regular basis, but why does a single molecule merit such media coverage? How important is the ozone in our atmosphere and why are scientists so concerned about its increase near the surface of the earth and its disappearance higher up in the atmosphere? First things first - what is ozone? Ozone is made of three oxygen atoms (

52. NASA - Good News And A Puzzle Earth s ozone layer appears to be on the road to recovery. May 26, 2006 Think of the ozone layer as Earth s sunglasses, protecting life on the surface http://science.nasa.gov/headlines/y2006/26may_ozone.htm

The Science@NASA site works best with JavaScript enabled in your browser. For instructions, click here + NASA Home + Search NASA Web + Contact NASA Good News and a Puzzle Earth's ozone layer appears to be on the road to recovery. + Play Audio + Download Audio + Email to a friend + Join mailing list May 26, 2006: Think of the ozone layer as Earth's sunglasses, protecting life on the surface from the harmful glare of the sun's strongest ultraviolet rays, which can cause skin cancer and other maladies. People were understandably alarmed, then, in the 1980s when scientists noticed that manmade chemicals in the atmosphere were destroying this layer. Governments quickly enacted an international treaty, called the Montreal Protocol, to ban ozone-destroying gases such as CFCs then found in aerosol cans and air conditioners. Right: The Antarctic ozone hole. [

53. Changes In The Ozone Layer Since then efforts have been made to protect the ozone layer by regulating production of CFCs and halons under the Montreal Protocol and its amendments and http://www.nies.go.jp/gaiyo/panf2003/ozone/ozone-e.html

Changes in the Ozone Layer Homepage: http://www.nies.go.jp/ozone/index-e.html ILAS Homepage: http://www-ilas.nies.go.jp/ ILAS-II Homepage: http://www-ilas2.nies.go.jp/ Exterior of ILAS-II flight model. A cover will be installed at the time of launch Artist's concept of ILAS-II on board the ADEOS-II satellite (to be launched in February 2002) conducting a sunset measurement. Observation of the Ozone Layer In the early 1990s depletion of the ozone layer was reported not only over Antarctica, but also over the Arctic region. In order to monitor the stratospheric ozone layer and obtain data to study the mechanisms involved in its destruction, Japan's Ministry of the Environment developed the Improved Limb Atmospheric Spectrometer (ILAS) sensor. ILAS was mounted on board the Advanced Earth Observing Satellite (ADEOS) known as "Midori". It collected valuable data over eight months from November 1996 until June 1997 when a problem with the solar panel terminated the satellite's functions. NIES developed and operated the data processing and operating systems for ILAS. ILAS was able to provide datasets with high altitude resolution thanks to an observational method known as the Solar-Occultation Technique. NIES processed the data from ILAS observations and deduced the altitude distributions of concentrations of many atmospheric trace constituents that influence changes in the ozone layer, such as ozone, nitric acid, nitrogen dioxide, nitrous oxide, methane, water vapor and aerosols. These datasets are provided widely to researchers in Japan and overseas, who use them for research relating to changes in the ozone layer.

54. CFC-Free Medication For An Ailing Ozone Layer Many Americans, including those who use metereddose inhalers for asthma, could be affected if FDA finalizes a policy to phase out medical products http://www.fda.gov/fdac/features/1997/497_cfcs.html

CFC-Free Medication for an Ailing Ozone Layer by Tamar Nordenberg More than 20 million Americans, including those who use metered-dose inhalers for their asthma or chronic obstructive pulmonary disease, could be affected if the Food and Drug Administration finalizes a policy to phase out medical products that contain chlorofluorocarbons (CFCs). FDA is seeking comments from the public on a rule the agency first proposed in March that also covers CFC-containing products far less common than metered-dose inhalers, such as nitroglycerin sprayed into the mouth to relieve chest pain. Metered-dose inhalers and some other medical products use CFCs as propellants to carry the drug to the lungs or elsewhere in the body. While these products don't present a direct threat to users' health, they contain CFCs that eat away at the Earth's protective ozone layer and lead to increased ultraviolet radiation reaching the Earth's surface. Because increased UV rays are linked to skin cancer, cataracts, suppressed immune systems, and other health problems, CFCs indirectly can contribute to these conditions. FDA's move toward phasing out CFC-containing medical products is part of a worldwide reduction in CFC production under the international agreement "Montreal Protocol on Substances that Deplete the Ozone Layer" and the U.S. Clean Air Act. (See

55. Ozone Layer May Be On The Mend, New Data Suggest Twenty years ago, scientists discovered a hole in the Earth s ozone layer above Antarctica. The protective atmospheric layer showed signs of other http://news.nationalgeographic.com/news/2003/08/0805_030805_ozone.html

NEWS HOME ANIMAL NEWS ANCIENT WORLD ENVIRONMENT NEWS ... WEIRD NEWS Ozone Layer May Be on the Mend, New Data Suggest John Pickrell for National Geographic News August 5, 2003 Damage to the ozone layer, caused by chlorofluorocarbon (CFC) chemicals and other pollutants, may be starting to reverse itself according to data collected by NASA satellites. While ozone degradation continues despite global bans on ozone-depleting pollutants imposed more than a decade ago, the rate has slowed markedly enough in one layer of the atmosphere that scientists believe ozone could start to be replenished there within several years. Email to a Friend RELATED Earth Becomes Greener as Climate Changes You Can Fight Global Warming, Authors Urge Early Birds: Is Warming Changing U.K. Breeding Season? ... Asian Pollution Cloud Changing Climate, Study Says "There is compelling evidence that we are seeing the very first stages of ozone recovery in the upper atmosphere," said Michael Newchurch, an atmospheric chemist with the National Space Science and Technology Center at the University of Alabama in Huntsville. Evidence suggests that international efforts to reduce chlorofluorocarbon (CFC) pollution are working. However, Newchurch cautioned that those efforts not be curtailed. "It is absolutely essential that we continue not producing these [ozone-depleting] substances for the rest of the time we want to live on this planet," he said.

56. Renewingindia.org: Ozone Layer Depletion A portal dedicated to energy and environment in India, Climate Change Convention Protocol, GHG, Agenda 21, kyoto protocol, CDM, early action, ozone layer http://www.renewingindia.org/cliozone.html

Home About Us Contact Us Members Ozone Layer Depletion For over 50 years, chlorofluorocarbons (CFCs) were thought of as miracle substances. They are stable, nonflammable, low in toxicity, and inexpensive to produce. Over time, CFCs found uses as refrigerants, solvents, foam blowing agents, and in other smaller applications. Other chlorine-containing compounds include methyl chloroform, a solvent, and carbon tetrachloride, an industrial chemical. Halons, extremely effective fire extinguishing agents, and methyl bromide, an effective produce and soil fumigant, contain bromine. All of these compounds have atmospheric lifetimes long enough to allow them to be transported by winds into the stratosphere. Because they release chlorine or bromine when they break down, they damage the protective ozone layer. The discussion of the ozone depletion process below focuses on CFCs, but the basic concepts apply to all of the ozone-depleting substances (ODS). In the early 1970s, researchers began to investigate the effects of various chemicals on the ozone layer, particularly CFCs, which contain chlorine. They also examined the potential impacts of other chlorine sources. Chlorine from swimming pools, industrial plants, sea salt, and volcanoes does not reach the stratosphere. Chlorine compounds from these sources readily combine with water and repeated measurements show that they rain out of the troposphere very quickly. In contrast, CFCs are very stable and do not dissolve in rain. Thus, there are no natural processes that remove the CFCs from the lower atmosphere. Over time, winds drive the CFCs into the stratosphere.

57. The Battle To Save The Ozone Layer There is a war going on! How does the ozone layer protect and shield our Earth? And why do chemicals break ozone molecules apart? Find out! http://weather.about.com/od/climatechange/a/ozonecfc.htm

zGCID=" test0" zGCID=" test0 test4" zJs=10 zJs=11 zJs=12 zJs=13 zc(5,'jsc',zJs,9999999,'') You are here: About Education Weather Global Warming and Ozone ... Ozone Information The Battle to Save the Ozone Layer Weather Education Weather Essentials ... Help click for more images The Ozone Layer Provides Protection from Harmful UV Radiation NASA GSFC Scientific Visualization Studios Email to a friend Print this Page Submit to Digg Suggested Reading Where are the Climate Zones on Earth? Most Popular Weather Maps Intro Make a Cloud in a Bottle How Do Barometers Work? Multiple Lightning Strokes ... The Winter Quiz The Battle to Save the Ozone Layer From Rachelle Oblack Your Guide to Weather FREE Newsletter. Sign Up Now! Ozone Depletion and CFC Hazards Examined There is a war going on, and you may be at risk! The enemy is far, far away. 93 million miles away to be exact! It is the sun. Each day the Sun is a vicious warrior constantly bombarding and attacking our earth with harmful Ultra Violet radiation (UV). Earth has a shield to protect against this constant bombardment of harmful UV radiation. It is the ozone layer. The Ozone Layer is Earth's Protector Ozone is a gas that is constantly formed and reformed in our atmosphere. With the chemical formula O

58. Ozone Layer — Infoplease.com ozone layer or ozonosphere,region of the stratosphere containing relatively high concentrations of ozone, located at altitudes of 12–30 mi (19–48 km) above http://www.infoplease.com/ce6/sci/A0837214.html

Site Map FAQ in All Infoplease Almanacs Biographies Dictionary Encyclopedia Spelling Checker Daily Almanac for Jan 24, 2008 Search White Pages Skip Navigation Home Almanacs ... Word of the Day Editor's Favorites 2007 Year in Review Black History Month Leap Year Martin Luther King Day ... 2008 Calendar Search: Infoplease Info search tips Search: Biographies Bio search tips google_ad_client = 'pub-1894504138907931'; google_ad_width = 120; google_ad_height = 240; google_ad_format = '120x240_as'; google_ad_type = 'text'; google_ad_channel =''; google_color_border = ['336699','B4D0DC','DFF2FD','B0E0E6']; google_color_bg = ['FFFFFF','ECF8FF','DFF2FD','FFFFFF']; google_color_link = ['0000FF','0000CC','0000CC','000000']; google_color_url = ['008000','008000','008000','336699']; google_color_text = ['000000','6F6F6F','000000','333333']; Encyclopedia ozone layer ozone layer or ozonosphere, region of the stratosphere containing relatively high concentrations of ozone The ozone layer prevents most ultraviolet (UV) and other high-energy radiation from penetrating to the earth's surface but does allow through sufficient ultraviolet rays to support the activation of vitamin D in humans. The full radiation, if unhindered by this filtering effect, would destroy animal tissue. Higher levels of radiation resulting from the depletion of the ozone layer have been linked with increases in skin cancers and cataracts and have been implicated in the decline of certain amphibian species.

59. Ozone Depletion FAQ Part I: Introduction To The Ozone Layer Keywords ozone layer cfc stratosphere depletion Archivename ozone-depletion/intro Last-modified 20 Dec 1997 Version 5.9 http://www.faqs.org/faqs/ozone-depletion/intro/

Usenet FAQs Search Web FAQs Documents ... RFC Index Ozone Depletion FAQ Part I: Introduction to the Ozone Layer There are reader questions on this topic! Help others by sharing your knowledge From: rparson@spot.colorado.edu (Robert Parson) Newsgroups: sci.environment rparson@spot.colorado.edu http://www.faqs.org/faqs/ozone-depletion/ http://www.cis.ohio-state.edu/hypertext/faq/usenet/ozone-depletion/top.html http://www.lib.ox.ac.uk/internet/news/faq/sci.environment.html http://www.cs.ruu.nl/wais/html/na-dir/ozone-depletion/.html Plaintext versions can be found at: ftp://rtfm.mit.edu/pub/usenet/news.answers/ozone-depletion/ ftp://ftp.uu.net/usenet/news.answers/ozone-depletion/ B. Anonymous ftp To rtfm.mit.edu, in the directory /pub/usenet/news.answers/ozone-depletion To ftp.uu.net, in the directory /usenet/news.answers/ozone-depletion Look for the four files named intro, stratcl, antarctic, and uv. C. Regular email Send the following messages to mail-server@rtfm.mit.edu Robert.Parson@colorado.edu http://www.umnw.ethz.ch/LAPETH/doc/totozon.html http://www.al.noaa.gov/WWWHD/pubdocs/WMOUNEP94.html ... sci.space FAQ, Part 10, "Controversial Questions", available by anonymous ftp from rtfm.mit.edu in the directory pub/usenet/news.answers/space/controversy, and on the world-wide web at: http://www.cis.ohio-state.edu/hypertext/faq/usenet/space/controversy/faq.html

60. EPD - Ozone Layer Protection Image of Scheduled Substances under ozone layer Protection Ordinance A Concise Guide to ozone layer Protection (Controlled Refrigerants) Regulation http://www.epd.gov.hk/epd/english/environmentinhk/air/ozone_layer_protection/wn6

OZONE LAYER PROTECTION Information Ozone Layer Protection and You Guidance Notes for Licence Application Scheduled Substances under Ozone Layer Protection Ordinance Phase Out Schedule of Ozone Depleting Substances in Hong Kong ... Ozone Layer Protection Slide Show Leaflet A Concise Guide to Ozone Layer Protection Ordinance A Concise Guide to Ozone Layer Protection (Controlled Refrigerants) Regulation Advice to Truck Drivers Importing or Exporting Ozone Depleting Substances Guidance Note for Ozone Depleting Substances (ODS) Destruction at the Chemical Waste Treatment Centre (CWTC) ... Guidelines for Phasing Out CFC Link To Bilingual Laws Information System for the Ozone Layer Protection Ordinance (Chapter 403) Useful Links Important notices Last Revision Date : 26 July 2007

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