Arctic - Wikipedia
The Arctic region is a unique area among Earth's ecosystems. The cultures in the region and the Arctic indigenous peoples have adapted to its cold and extreme conditions. Life in the Arctic includes zooplankton and phytoplankton , fish and marine mammals , birds, land animals, plants and human societies. [ 3 ]
Arctic | Definition, Climate, People, & Facts | Britannica
3 days ago · Arctic, northernmost region of Earth, centred on the North Pole and characterized by distinctively polar conditions of climate, plant and animal life, and other physical features. The term is derived from the Greek arktos (“bear”), referring to the northern constellation of the Bear.
Arctic - Education | National Geographic Society
Oct 19, 2023 · The Arctic is the northernmost region of Earth. Most scientists define the Arctic as the area within the Arctic Circle, a line of latitude about 66.5° north of the Equator. Within this circle are the Arctic ocean basin and the northern parts of Scandinavia, Russia, Canada, Greenland, and the U.S. state of Alaska.
Arctic Circle | Latitude, History, & Map | Britannica
Oct 26, 2024 · Arctic Circle, parallel, or line of latitude around Earth, at approximately 66°30′ N. Because of Earth’s inclination of about 23 1 2 ° to the vertical, it marks the southern limit of the area within which, for one day or more each year, the sun does not set (about June 21) or rise (about December.
Arctic Weather and Climate | National Snow and Ice Data Center
Overview. The Arctic and Antarctic are sometimes referred to as the Earth’s iceboxes, helping cool the planet and shaping jet streams and hence weather patterns. Warming in the Arctic influences conditions elsewhere around the globe—what happens in the …
A Geography and Overview of Earth's Arctic Region - ThoughtCo
Jan 29, 2020 · Learn important facts about Earth's Arctic region: its geography, climate, human inhabitation and the impacts climate change are having on the area.
The Arctic - National Wildlife Federation
The Arctic is a region of extremes: extreme cold, extreme seasonal changes in daylight, and extreme winds. It sits at the top of world, covered in sea ice—a seemingly unwelcome place for life.
The Arctic - WWF Arctic
The Arctic is a frozen ocean surrounded by land that has been covered in ice year-round for the last 5,500 years. Its diverse landscapes—from sea ice to coastal wetlands, tundra, mountains, wide rivers and the sea itself—support abundant wildlife, including emblematic species like the polar bear, bowhead whale and narwhal.
Story map: The Arctic – closer than you think
Mar 5, 2019 · "Majestic and still largely uncharted, the Arctic is fast becoming a hub of human activity, scientific exploration and immense economic promise. Its increasing accessibility is driving our nation and others to take a closer look at this emerging ocean frontier.
The changing Arctic: A greener, warmer and increasingly …
Dec 15, 2017 · The Arctic is warming twice as fast as anywhere else on Earth, which is already affecting the nearly 4 million people living in the region, the fish and wildlife they depend on for food, and their environment.