Dr. Lachniet’s research focuses on understanding the controls on Earth’s climate on time scales ranging from seasonal to 100s of thousands years, with a particular focus on tropical and arctic past climates. These data inform understanding of modern and anthropogenic climate change. He is co-director of the Las Vegas Isotope Science (LVIS) Lab in the Science and Engineering Building. Dr. Lachniet has an active research program in which he uses light stable and radiogenic isotope geochemistry, hydrology, speleology, glacial geology, geomorphology, and the sedimentary record to answer questions of paleoenvironmental and paleoclimatic change. His primary research areas are Costa Rica, Panama, Mexico, Alaska, and the Great Basin.