The International Trans-Antarctic Scientific Expedition (ITASE) was created in 1990 with the purpose of studying climate change through research conducted in Antarctica. Antarctica was chosen as the optimal site to study the atmosphere because of its remote location and relatively undisturbed environment. Research in many fields has been conducted in Antarctica through ITASE, including astronomy, atmospheric sciences, biology, earth sciences, environmental science, geology, glaciology, marine biology, oceanography, and geophysics.