General:

<URL:http://www.usatoday.com/weather/wworks0.htm>
  USA Today's How the Weather Works pages.  Lots of basic information
on fronts, high and low pressure, storm systems, tornados, hurricanes,
clouds, humidity, the jet stream and other weather-related topics.  

<URL:http://www.atmos.uiuc.edu/covis/modules/html/module.html>
  UIUC Department of Atmospheric Sciences Electronic Textbook.  Includes sections on air pressure, winds, and atmospheric optics;  a guide to weather maps and images;  a catalog of cloud types;  and a storm-spotters' guide.

<URL:http://www.agu.org/everyone.html>
  The American Geophysical Union's "Science for Everyone":  selected
papers from AGU about earth science topics. 

<URL:http://www.access.digex.net/~rmg3/>
  Robert Grumbine's collection of Science FAQs.  Climate change, ozone,
CO2, and other information.

Ozone:

<URL:http://www.cis.ohio-state.edu/text/faq/usenet/ozone-depletion/top.html>
<URL:http://www.lib.ox.ac.uk/internet/news/faq/archive/sea-level-faq.html>
<URL:ftp://rtfm.mit.edu/pub/usenet/news.answers/>
  Robert Parson's Ozone Depletion FAQ

<URL:http://acd.ucar.edu/gpdf/ozone/science/>
  Stratospheric Ozone Law, Information & Science page.  Links to policy
information and scientific information on the ozone layer and the ozone hole.

<URL:http://www.epa.gov/docs/ozone/index.html>
  EPA Ozone depletion web site.  Includes information on the science, 
regulations to protect the ozone layer, fact sheets, Title VI of the Clean Air Act, info on the UV Index, a glossary of terms, and how consumers can help protect the ozone layer.

Climate change:

<URL:http://www.access.digex.net/~rmg3/sea.level.faq>
<URL:http://www.cis.ohio-state.edu/text/faq/usenet/sea-level-faq/top.html>
<URL:http://www.lib.ox.ac.uk/internet/news/faq/archive/sea-level-faq.html>
<URL:ftp://rtfm.mit.edu/pub/usenet/news.answers/>
  Bob Grumbine's Sea Level, Ice, and Greenhouses FAQ

<URL:http://www.access.digex.net/~rmg3/scq.climate.basics>
  Climate Change Basics article by Jan Schloerer.

<URL:http://www.access.digex.net/~rmg3/scq.CO2rise>
  CO2 rise article by Jan Schloerer.

El Nino:

<URL:http://www.pmel.noaa.gov/toga-tao/el-nino/home.html>
  El Nino theme page, from NOAA's Pacific Marine Environment Laboratory
(PMEL).  Information about El Nino / Southern Oscilation.

<URL:http://www.cdc.noaa.gov/ENSO>
  NOAA's Climate Diagnostics Center (CDC) El Nino information page.
Information about the current state and forecasts of El Nino, plus
educational and research information.

Severe weather:

<URL:http://typhoon.atmos.colostate.edu/>
<URL:ftp://downdry.atmos.colostate.edu/pub/>
  Chris Landsea's Hurricanes, Typhoons, and Tropical Storms FAQ

<URL:ftp://nofc.forestry.ca/pub/fire/docs/> 
  Kerry Anderson's Lightning FAQ

<URL:http://www.eskimo.com/~billb/tesla/ballgtn.html>
  William Beaty's collection of articles, cites, and WWW links pertaining to Ball Lightning