The last interglacial period, also known as the Eemian interglacial, occurred approximately 129,000 to 116,000 years ago. This period was characterized by warmer global temperatures and higher sea levels than today. Researchers study the last interglacial period to better understand the natural climatic variability of the Earth's past, as well as to gain insights into potential future climate change and sea level rise. Studies of the last interglacial period often involve the analysis of sediment cores, ice cores, and other geological records to reconstruct past environmental conditions and investigate the drivers of climate change during this time period. Understanding the last interglacial can also provide valuable information about the resilience of Earth's climate system to warmer conditions and help inform projections of future climate change.