By Reflecting Sunlight, Greenland Helps Keep the Arctic Cool

This series of globes from June–August 2009 shows how sea ice, snow, and ice sheets in the Northern Hemisphere reflect large amounts of incoming sunlight and help keep the Arctic cool in the summer.

Report: Arctic has lost 95 percent of its oldest, thickest ice

By Reflecting Sunlight, Greenland Helps Keep the Arctic Cool

Why Sea Ice Matters National Snow and Ice Data Center

Why are glaciers and sea ice melting?, Pages

Pumped up: will a Dutch startup's plan to restore Arctic sea-ice

Spring Bloom in New Zealand Waters

Greenland's marine ecosystem is experiencing a radical 'regime

Arctic 2.0: What Happens after All the Ice Goes?

Melting sea ice gives phytoplankton the space to pump out cloud