The "Polar Frontier" refers to the remote and icy regions of the Arctic and Antarctic, characterized by extreme cold, ice-covered landscapes, and unique ecosystems. These areas are home to various species, including polar bears, penguins, and seals, which have adapted to survive in harsh conditions. The Polar Frontier is also significant for scientific research, as it provides insights into climate change and global weather patterns. Exploration of the Polar Frontier has a rich history, with explorers like Roald Amundsen and Robert Peary paving the way for understanding these regions. Today, the area faces challenges such as melting ice due to global warming and increased human activity, raising concerns about environmental preservation and wildlife protection.