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TopDir is a human edited web directory with various categories, a collection of hand-picked web resources for visitors

TopDir offers free website promotion for webmasters and website owners. Relevant search results and many categories for adding and promoting websites. Free web promotion for websites at TopDir directory. Submit your url for review. A collection of hand-picked web resources for visitors. This page is focused on one particular aspect of Kids and Teens, School Time, Science, Environment, Ozone Layer.

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    http://www.airinfonow.com/html/ed_ozone.html   » Air Info Now: What is Ozone? [ Teens/Mature Teens ] - Describes the chemical makeup of ozone, the good ozone does when it is high, and the bad health effects it has when close to the surface.

    http://www.factmonster.com/ipka/A0800624.html   » All About Ozone [ Teens/Mature Teens ] - Looks at the ozone layer, depletion, and has frequently asked questions about ozone.

    http://www.ace.mmu.ac.uk/kids/ozonehole.html   » Atmosphere, Climate and Environment: Ozone Hole [ Kids/Teens/Mature Teens ] - What is ozone, why there is a hole, and what's causing it.

    http://www.epa.gov/sunwise/kids/kids_ozone.html   » EPA SunWise for Kids: Ozone Layer [ Kids/Teens/Mature Teens ] - Tells why we need ozone in the stratosphere to live, how CFC's destroy ozone, and what you can do about it.

    http://www.esa.int/esaKIDSen/SEMY1LXJD1E_Earth_0.html   » ESA Kids: Losing the Ozone Layer [ Teens/Mature Teens ] - Explains why we need the ozone layer, and has a picture of the ozone hole viewed from space.

    http://www.dnr.state.wi.us/org/caer/ce/eek/earth/air/ozonlayr.htm   » Hole in the Ozone Layer? [ Kids/Teens/Mature Teens ] - Learn how it all started, how to fix the problem and what the future outlook is.

    http://www.solcomhouse.com/ozone.htm   » Ozone [ Teens/Mature Teens ] - A detailed look at ozone in the atmosphere, the difference between bad and good ozone, and how it's being depleted.

    http://www.ec.gc.ca/ozone/DOCS/KIDZONE/EN/guardearth.cfm   » Ozone Guarding our Earth [ Teens/Mature Teens ] - Learn how ozone in the stratosphere makes living on the Earth possible.

    http://www.atm.ch.cam.ac.uk/tour/   » The Ozone Hole Tour [ Teens/Mature Teens ] - An overview of the ozone layer and the development of the ozone hole over the Antarctic.

    http://www.rspb.org.uk/ourwork/teaching/resources/science/ozone_layer.asp   » The Ozone Layer [ Teens/Mature Teens ] - Answers several frequently asked questions about the ozone layer.

    http://www.ec.gc.ca/ozone/DOCS/KIDZONE/EN/ozoneupthere.cfm   » The Ozone Layer: What's Going On Up There? [ Teens/Mature Teens ] - Explains how the ozone layer is being depleted, and what you can do about it.

    http://fp.arizona.edu/kkh/nats101gc/ozone_news.htm   » Ozone News [ Mature Teens ] - Several articles about ozone and its effects on humans.

    http://www.faqkids.com/idx/4/010/The_Earth/article/What_is_Depletion_of_the_Ozone_layer.html   » What is Depletion of the Ozone Layer? [ Teens/Mature Teens ] - Tells how ozone is broken apart by the Sun's powerful rays, and by human-made chemicals.

    http://en.wikipedia.org/wiki/Ozone_depletion   » Wikipedia: Ozone Depletion [ Mature Teens ] - Looks at the ozone cycle, causes of ozone depletion, and a history of research about the ozone hole.

    http://en.wikipedia.org/wiki/Ozone_layer   » Wikipedia: Ozone Layer [ Teens/Mature Teens ] - Encyclopedia article that explains what the ozone layer is, and why we need it.


TopDir is a human edited web directory with various categories. Our mission is to organize theme based websites and remove the clutter from the information. We strive to provide context based website results to our visitors. This directory is an evolving one and we regularly add new categories, if there is a necessity. Members can suggest new categories and websites for inclusion. This is one stop promotion site for webmasters and website owners. We invite you to browse the categories and suggest your website url for an editor review. This page is focused on one particular aspect of Kids and Teens, School Time, Science, Environment, Ozone Layer.

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