RT null T1 OzoNews Volume I - 22 September 2000 A1 United Nations Environment Programme, YR 2000 FD 2000-09 LK https://wedocs.unep.org/handle/20.500.11822/29872 UL https://wedocs.unep.org/handle/20.500.11822/29872 NO In this issue:1. Ozone layer Over Europe Dropping to Low Levels2. Fiber-Optic Laser Could Track Changes in Earth's Ozone Layer3. Back to the Future for Air Conditioners DS UN Environment Document Repository RD Sep 20, 2026