4. Glaciers, Ice Sheets, and Climate Change Glaciers and ice sheets both affect and are affected by changes in Earth's climate. They are frozen fresh-water reservoirs that change volume in response to changes in temperature and snowfall.
7. Dangerous Climate Change: rising sea-levels and ocean Dangerous climate change is a legal term introduced by the UN in its 1992 Framework Convention on Climate Change (UNFCCC), which calls for the stabilization of greenhouse gases so as to ‘prevent dangerous anthropogenic interference with the climate system’.