This document provides information about Antarctica. It describes Antarctica's climate and geography, including its thick ice sheets, mountains, and volcanoes. It notes that Antarctica was once warmer and forested. It discusses the few plants and animals that can survive in Antarctica's harsh environment, as well as the penguins and whales found in the surrounding waters. The document also outlines how Antarctica has no permanent residents but hosts thousands of scientists annually studying the environment, and how the Antarctic Treaty governs human activity on the continent for peaceful scientific research purposes only.