In an era in which climate change is increasingly becoming a matter of global urgency, understanding its dynamics and causes is fundamental to effectively addressing the challenges ahead. A key element in this field of study is analysis historical climate variations in order to better understand the mechanisms that determine changes in the Earth's climate. A study published in the scientific journal Science recently shed new light on this topic, based on an innovative approach that uses ice core samples taken from the area Greenland. (LEANDRA FONTANA, more at tempoitalia.it)