RT null T1 Global Outlook for Ice and Snow: Chapter 1 - Highlights A1 United Nations Environment Programme, A1 GRID-Arendal, K1 ice PB United Nations Environment Programme PB GRID-Arendal PB United Nations Environment Programme SN 978-92-807-2799-9 YR 2007 FD 2007 LK https://wedocs.unep.org/handle/20.500.11822/14472 UL https://wedocs.unep.org/handle/20.500.11822/14472 NO Ice and snow are important components of the Earth’s climate system and are particularly sensitive to global warming. Over the last few decades the amount of ice and snow, especially in the Northern Hemisphere, has decreased substantially, mainly due to human-made global warming. Changes in the volumes and extents of ice and snow have both global and local impacts on climate, ecosystems and human well-being. NO https://www.unep.org/geo/geo_ice/ NO https://gridarendal-website-live.s3.amazonaws.com/production/documents/:s_document/239/original/full_report_LowRes.pdf?1487683682 DS UN Environment Document Repository RD Sep 19, 2026