A new study by an international team of over 130 scientists has shed light on the climate, and ice, of the prehistoric past. Utilizing new techniques for ice dating, the team–including ESSEdwin Waddington and Michelle Koutnik–found that temperatures during the peak interglacial period about 125,000 years ago were quite warm, yet the Greenland ice sheet melted less than previously thought. Read the UW story, and/or the Nature story. Also check out ESS’ Eric Steig’s blog post about this topic!