OZONE DEPLETION

AND GLOBAL ENVIRONMENTAL CHANGE

The British Columbia Atmosphere Caucus (BCAC) provides information on a variety of topics related to ozone depletion, including current action by the Canadian federal and provincial governments, sunscreens and cancer, and ultraviolet radiation.

GIF Images provides GIF images of chlorine monoxide (ClO) and ozone (O3) from the Microwave Limb Scanner (MLS) on the Upper Atmosphere Research Satellite (UARS): ClO, O3 in northern hemisphere for February 92, 93 ClO, O3 in southern hemisphere for September 91, 92

United Nations Treaties is a source of U.N. treaties on ozone:

• Vienna Convention for the Protection of the Ozone Layer (1985)
• Montreal Protocol as amended, London (1990), Copenhagen (1992)

Canadian UV Forecasts and Ozone Data offers information on ultraviolet radiation forecasts and ozone levels:

• Environment Canada forecast ultraviolet indices for selected Canadian cities (chart format)
• Total Ozone and UV index synoptic maps--accesses a menu, select the GIF image labeled Total Ozone and Ultraviolet Index.
• UV index map for Canada-in color; accesses a menu, select UV-B forecast for Canada

Ozone Watch map for Canada provides specific location values of percent ozone change from previous two-week mean. Select Ozone Watch from menu.

Blue Skies--University of Michigan contains ozone hole documents and GIF images on gopher directory "Ozone_Hole," including the following:

	Several documents on ozone-related topics:		

	1993_Ozone.doc		

	Antarctic_Ozone_Hole.doc		

	Chlorine_in_the_Atmosphere.doc		

	Effects_of_UV_Light.doc		

	Introduction_to_the Ozone_Hole.doc		

	Ozone_image_info.doc

	GIF images of polar ozone (approximately 3-4 days previous)

	Northern_Hemisphere_ozone.gif		

	Southern_Hemisphere_ozone.gif

	Ozone.92levels--UPI press release 22 April 1993	

	Ozone.Alert--UPI press release by Jim Anderson, 3 February 1992	

	Ozone.uvrad.study--UPI press release 11 November 1993