Drivers of change: climate and ocean These pages provide information on some key drivers of change in global ice sheets and glaciers. See also: Southern Westerly Winds Circumpolar Deep Water Related Articles Glaciers and Climate The Changing Antarctic Peninsula Changes to Circumpolar Deep Water Holocene climate and ice-shelf history on James Ross Island Patagonian Ice Sheet thinning during a changing climate Patagonian Ice Sheet Post-16 Reconstructing climate from moss banks Choosing the future of Antarctica Ice core basics Greenland Melting What does COP26 mean for global glacier and ice sheet change? Why are glaciers important?