Signal: the Monthly Newsletter of the UCAR Corporate Affiliates Program, is published monthly by UCAR. The purpose of the newsletter is to provide research news and announcements of major meetings, symposia, and publications. Includes the following articles: A new look at ozone and UV radiation: ... Show moreSignal: the Monthly Newsletter of the UCAR Corporate Affiliates Program, is published monthly by UCAR. The purpose of the newsletter is to provide research news and announcements of major meetings, symposia, and publications. Includes the following articles: A new look at ozone and UV radiation: can we adapt?; How much ozone has really been lost?; Just what is UV-B and why is it so hard to measure?; Calendar/Announcements; Guest opinion: Mickey Glantz, NCAR; and Join us! (membership form). Show less